Forty students in Class One ， Grade Nine are fond of reading novels written in English．

Different students like reading different novels． According to the form below, _____ students like reading novels written by British writers．（　　）

The name of the novel	Treasure Island	The Old Man and the Sea	Oliver Twist	Tom Sawyer
The writer' s nationality	British	American	British	American
Percentage（百分比）	25%	40%	20%	15%

A．

24

B．

22

C．

18