Trust is needed in the whole society which requires parents to obey their own rules and s

问题补充：

Trust is needed in the whole society, which requires parents to obey their own rules and set a good example children can trust them.

A. soon after

B. as if

C. in case

D. so that

答案：

A. soon after

B. as if

C. in case

(答案→)D. so that

解析：句意：在整个社会都需要信任，这要求父母遵守自己的规则，树立一个好榜样，这样孩子可以信任他们。这里是目的状语，用D. so that “为了，以便”，A. soon after 之后不久，B. as if好像， C. in case 以防，所以选D。