his scientific work, he has no time to care for his family affairs, , of course, his wife always plains about.
A. Devoted to; which
B. Devoting to; which
C. Being devoted to; that
D. Devoting to; that
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(答案→)A. Devoted to; which
B. Devoting to; which
C. Being devoted to; that
D. Devoting to; that
解析：考查形容词以及定语从句。第一空的形容词短语devoted to…是对句子主语he的情况进行的解释说明，be devoted to…致力于…；第二空的which指代前面一句话的内容在句中做为about的宾语，句意：致力于科学研究工作，他没有时间来处理家庭事务，这当然让他的妻子经常要抱怨。故A正确。