单选题
Of 30 applicants for a job, 14 had at least 4 years experience, 18 had degrees, and 3 had less than 4 years experience and did not have a degree. How many of the applicants had at least 4 years experience and a degree?
(A) 14
(B) 13
(C) 9
(D) 7
(E) 5
(A) 14
(B) 13
(C) 9
(D) 7
(E) 5
【正确答案】
E
【答案解析】[解析] 此题可以通过画文氏图来解，如下图所示：
