Re: Even today, the meaning of World War II remains elusive. Beevor, in hi
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23 Jan 2026, 05:00
Answer: (C)
That Churchill and Stalin were allied suggests that they were against Hitler. Thus 'frustrating' most going against/holding back.
(C), which means blocking, works best.
(A) is the trap answer, because it is the most common definition of frustrating.
It does not make sense in context-how do you angry efforts?
(D) simply means to ground, a meaning that does not fit the context.