—I thought I had made a good preparation. 

—You are dreaming. The fact is that you        at the beginning.[ ]

A. failed  

B. are failing  

C. have failed  

D. fail

让宝宝模仿涂鸦时，要从（）入手。

A、最简单的

B、最新奇的

C、最丰富的

D、最复杂的