A brilliant idea occurred to him, ___ to his research in the lab.
A．while devotingB．while devoting himself
C．while he was devotedD．while devoted
C

試題分析：句意：當(dāng)他在實(shí)驗(yàn)室研究的時(shí)候，他突然靈光一閃想到了一個(gè)絕妙的主意。  while的意思是：當(dāng)……時(shí)候，表示一段時(shí)間內(nèi)正在進(jìn)行，要用現(xiàn)在進(jìn)行時(shí)。因?yàn)榍昂笾髡Z不一致，前面主語是idea,后面主語是人，所以后面的句子不能省略主語。所以排除A，B，D選項(xiàng)，選擇C。
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