my efforts at persuasion，he wouldn’t agree.
A. Apart from
B. In spite of
C. Because of
D. Although
网友回答
A. Apart from
(答案→)B. In spite of
C. Because of
D. Although
解析：考查介词短语。句意：尽管我努力劝说，他就是不同意。A .Apart from除。。。之外；除。。。之外还有 B．In spite of 尽管，虽然+ 短语 C．Because of 因为+ 短语 D．Although尽管+ 句子，根据句意和宾语是短语，所以B正确。