W:I have to figure out the car runner shares for our trip to the lake. Should I count you in?
M:I happy to report I am available. I finally caught up with my reading
Answer: (C)He wants to take part in the trip
請教w說的是什麼意思? 大體上是W邀約M一同去旅行
M回答的部份如何去解釋He wants to take part in the trip?
謝謝大家的回答!!