I haven't seen Sara since she was a girl, and she has changed beyond _____.[ ]

A. hearing

B. strength

C. recognition

D. measure

一些要求低温与湿润条件完成休眠的种子，如芍药、鸢尾花、飞燕草等必须（）。

A.春播

B.夏播

C.冬播

D.秋播