一粒种子能够萌发长成一株高大的植株，说明种子中有[ ]

A．胚    

B．胚乳    

C．胚芽    

D．子叶

—Why  didn't  you  tell  him  about the meeting?

—He rushed out of the room       I could say a word.[ ]

A. before                      

B. until

C. when                        

D. after