[听力原文]
M: Look at the beautiful cloud.
W: Yes, it’ s magnificent, but we’ d better close the windows. The mosquitoes will appear as soon as it gets dark.

At what time of the day does the conversation most likely take place（）

单项选择题How old is the woman’s bike（）

A．Four years old.
B．Five years old.
C．One year old.
D．It’ s new.

单项选择题Who will attend the party（）

A．Only one student of the department.
B．All the students of the department.
C．Some students in the department.
D．None of the above.