Read the following SAT test question and then click on a button to select your answer.

In a community of 416 people, each person owns a dog or a cat or both. If there are 316 dog owners and 280 cat owners, how many of the dog owners own no cat?

(A) 36
(B) 100
(C) 136
(D) 180
(E) 316

来源:可可英语 http://www.kekenet.com/sat/201505/376558.shtml