Forcing someone to participate in a study is an example of what ethical issue/concern?

In a manuscript, the hypothesis __________________

a) is not always stated b) is stated in the method section c) may be found in the introduction d) both a and c

The 114th Congress has become more diversified and included _____ members who were Muslim, Hindu, or Buddhist.

A) 12
B) 23
C) ?5
D) ?61
E) 2