(A) which is complex and depends
(B) because it is complex and depends
(C) but they are complex and depend
(D) which are complex and depend
(E) a task that is complex and depends
Solution
Modifiers + Pronoun
A and D: which incorrectly modifies United States.
B: it incorrectly modifies Iran. Iran neither is complex nor does it depend on
C: they does not have an antecedent.
E: task refers to Ms Wrights attempt to get inside Iran and to understand . Hence, E is the best choice.
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