Ever since my brother graduated from the university he in the present company for 15 yea

问题补充：

Ever since my brother graduated from the university, he in the present company for 15 years and he is now chief engineer of the company .

A. worked

B. has been working

C. is working

D. works

答案：

A. worked

(答案→)B. has been working

C. is working

D. works

解析：考查时态。根据句中时间状语ever since自从……以来，故用现在完成进行时，表示动作从过去就开始，一直持续到现在，并有可能继续持续下去。句意：自从我哥哥大学毕业以来，他在现在的公司工作了，现在时公司的总工程师。故B正确。