A．The two defendants will win the case in the end.
B．People are sympathetic with the two defendants.
C．McDonald's food will inevitably lead to heart disease.
D．People will refuse to eat McDonald's food.

单选题 根据下面材料，回答题.

The author writes the first paragraph to

A．introduce the traditions of a holiday.
B．lead in the topic of the passage.
C．exemplify the American holidays.
D．highlight the importance of family.

A．have more generations under one roof.
B．have to face more problems.
C．keep more traditions and customs.
D．keep closer family bond.