Which sentence combination uses a subordinating clause

Read the rough draft of a student's conclusion to anargumentative editorial.(1) year-round schooling would student achievement.(2) not so much information would have to be crammed intonine months. (3) furthermore, the elimination of long breaks,particularly summer break, would significantly reduce"learning loss" and the additional time wasted at thebeginning of each academic year to reteach previouslylearned material. (4) it is clear that year-round schooling students learn and retain more. (5) the united staleis not the only country to experiment with a year-roundschool schedule. (6) although many still claim that evidenceabout year-round school and its link to higher achievement isinconclusive, these people need to open their eyes and seethat students in these schools consistently score higher oncertain assessments than students who attend schools withtraditional nine-month calendars. (7) it is about time that wereplaced our outdated and inefficient school calendars.which best revises sentence 6 to create a more appropriate and respectful tone

1. find at least 9 adjectives from this opening passage used to describe the setting of the story- "to build a fire" setting: day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main yukon trail and climbed the high earth-bank, where a dim and little-travelled trail led eastward through the fat spruce timberland. it was a steep bank, and he paused for breath at the top, excusing the act to himself by looking at his watch. it was nine o'clock. there was no sun nor hint of sun, through there was not a cloud in the sky. it was a clear day, and yet there seemed an intangible pall over the face of things, subtle gloom that made the day dark, and that was due to the absence of sun. this fact did not worry the man. he was used to the lack of sun. it had been days since he had seen the sun, and he knew that a few more days must pass before that cheerful orb, due south, would just peep above the sky-line and dip immediately from view.

Which section of the passage illustrates mrs. dalloway's feelings of emptiness caused by her social identity