Grammar:
IC+ COMMA + FANBOYS + CLAUSE.
Only option A meets this rule, and all other options does not have a clause after BUT.
According to researchers, many individuals are going to the fair, when they are insisted to go.
==> What does "they" refer to?
Again, "when placed" is more ambiguous.
So, C is also in this trap.
Answer is A.
IC+ COMMA + FANBOYS + CLAUSE.
Only option A meets this rule, and all other options does not have a clause after BUT.
According to researchers, many individuals are going to the fair, when they are insisted to go.
==> What does "they" refer to?
Again, "when placed" is more ambiguous.
So, C is also in this trap.
Answer is A.



