Which are the contribution Audrey Hepburn made as a UNICEF Ambassador of Goodwill?

A.She spent a lot of time traveling to help those in need.

B.She urged people to care for those in need and led by example.

C.She talked about her suffering and her struggle.

D.She combined the role of a mother and a UNICEF Ambassador of Goodwill.

正确答案：She spent a lot of time traveling to help those in need.；She urged people to care for those in need and led by example.