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
DDevoting 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：考查分词用法。句意：致力于他的科学工作，他没时间关心他家里的事情，这当然是他妻子经常抱怨的。Be devoted to致力于…；形容词短语devoted to his scientific work修饰后面句子主语he;第二空填which，引导非限制性定语从句，指前面的事情，that不能引导非限制性定语从句，选A。