不是由下丘脑特化神经细胞分泌的激素是()

A．生长激素释放激素

B．促甲状腺激素

C．缩宫素

D．催乳素释放激素

E．促肾上腺皮质激素

______ some teenagers don’t realize is _______ difficult life can be after they get addicted to drugs．

A．What, how

B．That, how

C．What, what a

D．That, what