(单选题)

Though ______ full health, Zhang, now 63, insists on getting up at around 5 a.m., to accompany students to classes.

A.lacked

B.lacking

C.lacked in

D.is lacking of

参考答案：B

参考解析：

考查省略主语和be动词的用法。句意：虽然身体不太好，但现年63岁的张桂梅坚持早上5点左右起床，陪学生上课。Though引导让步状语从句，主从句主语都是“Zhang”，从句省略了“Zhang is”，句子补全应为“Though Zhang is lacking full health”。故选B。

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