22．In middle schools all over China, boys_____not to wear their hair long.

A．will be requested

B．have requested

C．are requesting

D．are requested

下列疾病脑脊液中，均以淋巴细胞增高为主，但除外()

A．化脓性脑膜炎

B．病毒性脑膜炎

C．结核性脑膜炎

D．脑脊髓梅毒

E．脑瘤