Short reading problem from verbal guide

Hi, Can anyone here please help me as to why C is wrong in question 5, and D is wrong in question 6.

From the passage : Goose Bumps had a bigger role in the past than now(Line 3)

Now, line 7 introduce a possibility of new role for goose bumps

Q 5) it is asking of all the new role that the author is mentioned starting for last word in line 7, what is author wanting to hint at?

well , as we know form that passage that ( Goose Bumps had a bigger role in the past than now). Thus, author is saying that these new role will make goose bumps useful again.

Q6) Function of “Like … Music”

Starting from line 7: All the things that author mentioned are new roles, which he will think will make Goose Bumps usefull/beneficial again .