（）是指本无该种血亲应具有的血缘关系，而由法律确认其与该种自然血亲具有同等权利义务的亲属。

A.旁系血亲

B.直系血亲

C.拟制血亲

D.姻亲

— How long have you been collecting shells? 

— ______. [ ]

A. After I left school

B. Before I moved here

C. When I went to the beach

D. Since I was ten years old