根据首字母完成下列句子。

1. At last I r         I had left my book in the library.

2. My sister has a dentist's a          this Saturday.

3. There used to be various of animals on this t          island.

4. Our main p        is to inquire the possibility of establishing a long-term business relations with your

company.

5. But the t         is that most of the doctors are facing the moral dilemma.

楼层平面放线记录属于施工文件中的哪一类文件（）

A.施工记录文件

B.施工试验记录及检测文件

C.施工技术文件

D.施工管理文件