—We've spent too much money recently.
—Well, it isn't surprising. Our friends and relatives（）around all the time.

A. are coming

B. had come

C. were coming

D. have been coming

根据我国的著作权法，著作权取得采取的是（）。

A.自动取得制度

B.登记取得制度

C.加注著作权标记制度

D.兼采自动取得原则和加注标记取得原则