Hello there, to help right of the bat. I know B is not the right answer. But after reading i belive that A is the correct answer choice because Churchhill is basically saying that during WW2, the British and the French saved Belgium, but only after it was attacked. Churchhill is saying that if they would not have been neutral they could have saved Poland from Axis attacks. So i belive that the answer is A
I most contexts, no. It can be considered an error if viewed from a programmer's perspective, because a bug is viewed as an error in the code of a program. If it is not viewed from a similar perspective, then it is not a synonym. Thesaurus.com can be a helpful place for you.
The answer is C) Skin is to body wash.
Hope this helps :)