The boy hot on the forehead. He must be sent to the hospital at once.A. is feltB. feltC. f

问题补充：

The boy hot on the forehead. He must be sent to the hospital at once.

A. is felt

B. felt

C. feels

D. was felt

答案：

A. is felt

B. felt

(答案→)C. feels

D. was felt

解析：句意，这个男孩的额头摸起来发热，所以必须被立刻送往医院。此处的 feel 是系动词，后接形容词作表语，用主动形式。由句意可知此处是对现在情况的描述，故用一般现在时。