下列哪些属于机械式附着体 （）

A.栓体栓道式附着体

B.杆卡式附着体

C.磁性附着体

D.杵臼式附着体

E.按扣式附着体

_____ when I saw him the second time _____ how handsome he was.[      ]

A. Only; I noticed

B. Not only; that I noticed

C. Only; did I notice

D. Not only; but also I noticed