There are many festivals in western countries:
In February: Saint Valentine's Day, a holiday honoring lovers. It is celebrated February 14 by the custom of sending greeting cards or gifts to express affection. The cards, known as valentines, are often designed with hearts to symbolize love.
In April: All Fool's Day: Playing tricks on the first day of April is a custom among European peoples. In France the victim of such practical jokes is called an April fish; in Scotland, a gawk or cuckoo; and in English-speaking countries, an April fool.
In October：Halloween，On October 31st, dozens of children dressed in costumes（节日服装）knock on their neighbors' doors and yell "Trick or Treat" when the door opens.
In December: It’s. Christmas in the Christian church, annual festival, held on December 25, to celebrate the Nativity, or birth of Christ. Children often put stocking at the end of their beds because Father Christmas will come to fill the stocking with nice presents.

根据短文内容，选择最佳答案。
The best title of the passage is (  ).

A．Christmas	B．Fool's Day
C．Chinese festivals	D．Western festival

How many festivals are there in the passage? (  )

A．4

B．5

C．6

D．7

When is the Saint Valentine's Day? (  )

A．February 14	B．February 15
C．February 16	D．February 17

Halloween is on (  ).

A．October 31	B．October 30
C．October 29	D．November 31

The custom on the first day of April is (  ).

A．Knocking on neighbors' doors.

B．Putting stocking at the end of beds.

C．Playing tricks.

D．Sending greeting cards