<span>The past perfect tense for this statement should be: “My sister looked
at many dresses before she had chosen the one.” Note that this type of tense
speaks of an action that was accomplished in the past before another event
came. It is formed with the past tense of “to have” plus verb’s past
participle.</span>
As a result of their struggle. African Americans have finally won complete freedom.
Are there any answer choices?
I believe the answer is c .