---Do you think yesterday’s math problem was difficult?

---Yes. I could            work it out.

A．hardly

B．easily

C．finally

D．nearly

常见神经系统病损有()

A．脑血管意外

B．颅脑损伤

C．小儿脑瘫

D．脊髓损伤

E．周围神经损伤