In this task, you will be shown a conversation and a question. You need to answer the question and choose the correct option based on the conversation. "W" and "M" in the conversations stand for "woman" and "man".

M: Bob is supposed to arrive by 8:00. W: His wife said he had left home at 7:50, so he won't be here before 8:30., Question: What time is Bob supposed to arrive? (A) 7:50. (B) 8:50. (C) 8:00.
(C) 8:00.