I feel like it would be all of them but the one that calls out the most would be using another's ideas without giving them credit. Plagiarism is all about not citing or giving credit to the person who wrote the article,letter, essay, etc.. And using it for yourself claiming as though you wrote it yourself.
Admirable = able •
Admiration = ation •
The second one sounds the most correct.
Your answer will be B.England and the s<span>o</span>viet union were allies during the civil war.