Auer小体可见于下列疾病，但需排除（）

A.急性粒细胞白血病

B.急性早幼粒细胞白血病

C.急性粒一单核细胞白血病

D.急性单核细胞白血病

E.急性淋巴细胞白血病

It's dangerous to play on the thin ice. It's not ____ to hold a person. [ ]

A. hard enough

B. enough hard

C. enough cold

D. enough thick