单选题 Man: I'd like to sign up for some voluntary work with the environment council. I hear it's a great way to connect with the community.Woman: It sure is, but you'll have to put in a lot of hours. So you must leave some room in scheduling your time.Question: What does the woman imply?

A、 Voluntary work can help the man establish connections with the community.
B、 The man's voluntary work has left him little room in his schedule.
C、 Voluntary work with the environment council requires a time commitment.
D、 A lot of people have signed up for voluntary work with the environment council.

【正确答案】 C

【答案解析】男方说他想报名参加环境委员会的志愿工作，女方告诉他这项工作要投入很多时间，男方需要安排好时间，这与C的内容相吻合。