听下面一段较长对话，回答以下小题。
【小题1】Where does the conversation take place?

A．At a store.

B．At school.

C．At home.

【小题2】How did the man get the mud?

A．He went to the Dead Sea.

B．He dug it up from the backyard.

C．He bought it from an online company.

【小题3】What is the main color of the mud in the backyard?

A．Brown.

B．Grey.

C．Black.

【小题4】Why does the girl agree to use the mud?

A．She wants her skin to feel younger.

B．She has some skin problems.

C．She is starting to get wrinkles.