Any student ___ will be disqualitified from the exam.

A．catching cheating

B．catching to cheat

C．caught cheating

D．caught to cheat

早期诊断佝偻病可靠的指标是()

A．血磷增高

B．血浆中Camp水平减低

C．骨骼X线片

D．多汗喂养困难

E．25-(OH)-D降低