单项选择题

You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C or D. After listening, you will have 10 seconds to check your answer to each question. You will hear each piece ONLY ONCE.
Questions 11~13 are based on the following talk on mum ’s business. Why are mothers fed up with their jobs

A. Because the jobs are difficult.
B. Because the jobs make them have little time for their children.
C. Because their children and family are in trouble.
D. Because they don’t like the job.