The flowerssweet in the garden attracted the visitors to the beauty of nature.A. smellB. s

问题补充：

The flowerssweet in the garden attracted the visitors to the beauty of nature.

A. smell

B. smelt

C. smelling

D. to be smelt

答案：

A. smell

B. smelt

(答案→)C. smelling

D. to be smelt

解析：考查非谓语动词。句意：花园里正在散发花香的花草的自然美吸引了游客。现在分词表示正在进行的伴随性动作，结合语境可知选C。