竹茹有“除烦”之效，最宜用于（）。

A.心火亢盛，心烦

B.热病后余热未尽，虚烦不眠

C.肾虚肝旺，扰动心神，惊悸、失眠

D.痰火内扰，心烦不安

E.骨蒸盗汗，五心烦热

—You can use MSN to talk with Kevin on the Internet.

—I know. But can you tell me _______?[ ]

A. what I can use it

B. how can I use it

C. why can I use it

D. when I can use it