角膜移植术后发生免疫排斥，可能出现的实验室检查结果是（）.

A.T细胞总数升高

B.血清总补体升高

C.血清补体C3升高

D.白细胞移动指数下降

E.以上均正确

Use the results from the following survey of 500 firms to answer the question.

A．Number of Employees

B．Frequency

C．300 up to 400

D．40

E．400 up to 500

F．62

G．500 up to 600

H．78

I．600 up to 700

J．101

K．700 up to 800

L．131

M．800 up to 900

N．88