In honor of the return of the son, who later ________ his ways, a calf that ________ allowed to grow

In honor of the return of the son, who later ________ his ways, a calf that ________ allowed to grow fat was killed and cooked for a feast．

A.mended, had been

B.was mending, was

C.has mended, had been

D.had mended, has been

答案及解析： A