In "the adventure of the blue carbuncle," which best describes dr. watson?
a. a wealthy man who loses a very valuable item to a cunning thief
b. a plumber who has been convicted of robbery before but who is innocent in this case
c. a logical and intelligent person who is impressed by sherlock holmes's powers of deduction
d. a poor man who tries to do something nice for his wife, but ends up being robbed

the conclusion would be the most affected category scoring

the purpose of the heading in the passage is to identify who is telling the story.

this excerpt is part of the book sugar changed the world (2010) written by marc aronson and marina budhos. as the book has been written by two people, the heading "marc" indicates that this specific excerpt is being narrated by aronson. in the fragment, marc describes his grandfather's story after hearing it from his cousin. however, there are other excerpts where budhos is the one that tells the story of her family.

aronson and budhos, who are husband and wife in real life, decided to write sugar changed the world when they found out how sugar, which had an important role in slavery and economy, changed their ancestors' lives.