It is believed that on December 21st, 1891, the first basketball game in _____ history was played．Then in 1936 in Berlin, it became _____ Olympic event.

 A．不填; an  B．a; an  C．the; the D．不填; the

It is believed that on December 21st, 1891, the first basketball game in _____ history was played．Then in 1936 in Berlin, it became _____ Olympic event.

 A．不填; an          B．a; an             C．the; the           D．不填; the

It is believed that on December 21st, 1891, the first basketball game in _____ history was played．Then in 1936 in Berlin, it became _____ Olympic event.

1. A.
   不填; an
2. B.
   a; an
3. C.
   the; the
4. D.
   不填; the