A、A rain wouldn’t help much. B、There is little doubt about it. C、Dave is afraid of playing tennis. D、We relieved that day. A由文中“

W: Most people with low iron reserves take iron supplements.
M: Iron supplements may produce a feeling of wanting to throw up, and may be poisonous in some cases. The best sources of iron are meat, chicken, fish, dates, beans, and some leafy green vegetables.
Q: If a woman suffers from an iron deficiency, what can she do to bounce back?

W: If it hadn’t rained, we would have played tennis in the court.
M: A day of rain would do little to relieve the drought.
Q: What can be learned from the conversation?