Computers are used by students in different ways. We did a survey of 100 students in No. 1 Middle School. The number of the students who send e -mails is _________ smaller than that of those who talk on computers.

Playing games	Sending e-mails	Reading news	Talking with friends	Talking with parents
25%	10%	5%	?	15%

A、5

B、35

C、50