—May I speak to Tom?—Sorry, he isn’t in now. What’s up?—＿＿＿.—Sure, go ahead.A.May I take a

—May I speak to Tom?
—Sorry, he isn’t in now. What’s up?
—＿＿＿.
—Sure, go ahead.
A.  May I take a message for him?
B.  May I leave a message?
C.  Hold on, please.