---Have you had many visitors yet?

---No, ________you're the first．

A．a(chǎn)s usual                                                        B．a(chǎn)s if

C．a(chǎn)s a matter of fact                                                                                         D．a(chǎn)s a whole

-Have you had many visitors yet?

-No, ________ you’re the first．

1. A.
   by the way
2. B.
   as a matter of fact
3. C.
   as a whole
4. D.
   in other words