This text is taken from（）

单项选择题According to the text, which of the following people riding in the front does not have to wear a seat belt（）

A．Someone who is backing into a parking space.
B．Someone who is picking up the children from the local school.
C．Someone who is delivering invitation letters.
D．Someone who is under 14.

单项选择题Wearing a seat belt in a vehicle （）

A．reduces road accidents by more than half
B．saves lives while driving at a speed up to 30 miles per hour
C．reduces the death rate in traffic accidents
D．saves more than 15,000 lives each year