When he was doing the software development project, he many problems that he had to solve on his own.
A. came up with
B. came through
C. came across
D. came out
网友回答
A. came up with
B. came through
(答案→)C. came across
D. came out
解析：当他在进行软件发展方案时，他许多不得不靠自己解决的问题。A提出，（病重后）康复D出版，花开，C偶然遇到。