A、A lesson requires students’ active involvement. B、Students usually take an active part in a lecture. C、More knowledge is cover

M: This is hopeless. These figures still don’t add up right. Let’s do the calculations over again.
W: Yes, but why not do them tomorrow? It’s very late now.
Q: What does the woman suggest they do?

W: What’s the difference between a lesson and a lecture?
M: Well, they are both ways of imparting knowledge, but the main difference is that you participate in a lesson whereas you just listen to a lecture. A lecture is generally given to a much larger group.
Q: What does the man mean?