Passage Two
Questions 29 to 31 are based on the passage you have just heard.

A. the victim is still unconscious after the airway clearance
B. you cannot feel pulse after mouth-to-mouth breathing
C. you have prepared yourself in advance to do it properly
D. all of the above

A. High school students are using electronic forms to apply for colleges.
B. High school students are sending more applications compared with the past.
C. The number of high school students’ entering college is increasing.
D. High school students have to wait for the admission from top schools.