一Ready to give up guessing，Sandy?
一No，no，hold on! I think I at the answer now．
A. arrive
B. am arriving
C. have arrived
D. will arrive
网友回答
A. arrive
(答案→)B. am arriving
C. have arrived
D. will arrive
解析：考查动词时态。句意为：——准备放弃猜吗?——不，
别挂电话，我正在想答案。通过对话内容可知，“想答案”是
与对话同时进行的。故答案为B。