He has five , and they are all doctors working in the same hospital .
A. sons- in-laws
B. son-in-laws
C. sons-in-law
D. son in laws
网友回答
A. sons- in-laws
B. son-in-laws
(答案→)C. sons-in-law
D. son in laws
解析：本题的含义是他有五个养子，他们现在都是在同一家医院工作的医生，sons-in-law表示养子的含义，故本题选C。