低位肠梗阻（）

A.呕吐物无胆汁

B.呕吐物有多量胆汁

C.呕吐物为粪臭样

D.呕吐物为血性

E.呕吐物呈溢出性

--Tom failed again in the driving test.

---Why not?Tom is ____ but a fool in driving.

A．nothing

B．anything

C．something

D．everythin