单项选择题
A.姑姑把一张圣诞卡和一个包裹交给了我。 B.姑姑给我寄了一张圣诞卡,还有一个保存得很好得包裹。 C.姑姑给我寄了一张圣诞卡和一个包裹。 D.姑姑把保存得很好的圣诞卡和包裹转交给了我。
A. had to B. ought to C. must be D. must have
A. having considered B. considering C. being considered D. considered