- Have you seen_______ boat in my living-room?

- Yes, it's not_______ real one, but it's_______ best model I've ever seen.

A．a, the, a

B．the, the, a

C．a, a, the

D．the, a, the

底板防护包括卸堵件、遮蔽、喷胶和（）工序。

A、帖沥青板

B、涂胶

C、上件