A、The hot weather. B、The situation of a patient. C、A chemical experiment. D、An operation. B

M: These silver earrings are only 16 dollars this week. The gold ones are 24.
W: I’ll take the silver ones, then. Or, on second thought, give me the gold ones. I have a gold necklace that would look very nice with them.
Q: What might the woman decide to buy at last?

W: I have given the injection into that man and the fever comes down now.
M: But more attention should be paid this evening and his temperature mustn’t get higher otherwise that will be dangerous.
Q: What are the two speakers talking about?