His preoccupation with business left him little time for his family.

　　A.他全神贯注于事业，为他的家庭留下了很少的时间。

　　B.他对事业的全神贯注留给他的家庭的时间就很少。

　　C.他对事业全神贯注。他能与家人共度的时间就很少。

　　D.他全神贯注于事业，因而能与家人共度的时间就很少。