she is not in good health, she works very hard .
A. Though, but
B. /, so
C. Though, and
D. Though, /
网友回答
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。