—We all went to the park except you last weekend. Why didn't you come?
—Because I the park twice.
A：have gone to
B：had gone to
C：had been to
D：have been to
***在中共六届六中全会的报告中说，国民党有两个伟大领袖，第一个是孙中山先生，第二个伟大领袖就是蒋介石先生。***的这一评价是基于蒋介石 ( )
呼吸道和消化道共用的器官是（ ）
