What is the function of this sentence in the passage?
in addition, galileo observed that earth appeared to circle the sun instead of
other way around.
a.
it contrasts statements from earlier in the passage.
ob.
it introduces a new central idea to focus on.
o
c.
it adds a supporting detail to the central idea,
d.
it provides a concluding idea for the paragraph.

Read the following passage: he roamed from chamber to chamber with hurried, unequal, and objectless step. the pallor of his countenance had assumed, if possible, a more ghastly hue— but the luminousness of his eye had utterly gone out. the once occasional huskiness of his tone was heard no more; and a tremulous quaver, as if of extreme terror, habitually characterized his utterance. there were times, indeed, when i thought his unceasingly agitated mind was laboring with some oppressive secret, to divulge which he struggled for the necessary courage. which of the above ideas might be considered foreshadowing? he is wandering all over the chamber his skin tone is really pale his voice is quivering the narrator thinks he is laboring with an oppressive secret