she is not in good health she works very hard .A. Though but B. / soC. Though andD. T

问题补充：

she is not in good health, she works very hard .

A. Though, but

B. /, so

C. Though, and

D. Though, /

答案：

A. Though, but

B. /, so

C. Though, and

(答案→)D. Though, /

解析：though虽然，尽管；but但是；so因此；and和，并且。句意：尽管她健康状况不是很好，但是他工作非常努力。Though本身即可表示“尽管……但是”的含义，故选D。