阅读下列短文，从每题所给的选项（A、B、C、D）中，选出最佳选项。
A
It is obvious that doctors recognize obesity（肥胖） as a health problem. So why is it so hard for them to talk to their patients about it?
The results of two surveys, one of primary care physicians and the other of pa tients, found that while most doctors want to help patients lose weight and think it is their responsibility to do so, they often don’t know what to say.
“So while doctors may tell patients they are overweight, the conversation often ends there,” said Christine C.
