Learning experiences happen to us throughout our lives, and not too long ago, I had _______ that

I would like to share.   [      ]

A. it          

B. that        

C. one        

D. this

新生儿特殊生理状态有（）

A.生理性黄疸

B.马牙或板牙

C.假月经

D.乳腺肿大

E.生理性贫血