单项选择题

Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now, listen to the conversation.

Hilda is at the bicycle shop ______.

A.to help her father with business
B.to help Steven choose a bike
C.to buy herself a bike
D.to work part time as a salesclerk