A、The woman received a phone call from Mark yesterday. B、The man injured Mark in a traffic accident yesterday. C、The man met a f

M: We’ve got three women researchers in our group: Mary, Betty and Helen. Do you know them?
W: Sure. Mary is active and sociable. Betty must be the most talkative woman I’ve ever met. But guess what, Helen’s just the opposite.
Q: What do we learn from the woman’s remark about Helen?

M: I ran into our friend Mark yesterday on the street, and he said he hadn’t heard from you for two months.
W: Yes, I know, but I’ve been too busy to phone him.
Q: What do we learn from tile conversation?