The Ford Theatre where Lincoln was shot_______

Correct Answer

গ: must have been

Explanation

must restore: This implies an active obligation, which does not fit the passive context.

must be restoring: This suggests an ongoing action, which is also not suitable here.

must have been: This indicates a completed action in the past, fitting well with the context of Lincoln's assassination at the theater.

must be restored: This implies a future action, which does not align with the historical context.