The topic sentence in a paragraph carries: a_ the supporting idea. b_ the controlling idea. c_ the concluding idea. e_ the SUB-Title. Please need help

the correct answer is aesthetics.

im not sure what it is

answer: c) researchers say that roald dahl is one of the most famous children’s writers of all time.

roald dahl was a welsh novelist, short story writer, poet, screenwriter and pilot. he is particularly famous for his works for children, such as james and the giant peach, matilda, the witches, fantastic mr. fox and charlie and the chocolate factory.

out of these options, c is the one that supports the claim of dahl being close to his family the least. option a states that he was close to his mother and grandmother. option b states that his mom used to tell him stories. option d says that dahl told his daughters bedtime stories. however, option c does not talk about dahl's family at all.