He felt rather that she should drive the car at such a speed.A. frightening frightening

问题补充：

He felt rather that she should drive the car at such a speed.

A. frightening, frightening

B. frightened, frightened

C. frightening, frightened

D. frightened, frightening

答案：

A. frightening, frightening

B. frightened, frightened

C. frightening, frightened

(答案→)D. frightened, frightening

解析：过去分词fh曲tened意为“吓坏了的”，表状态，通常修饰人；现在分词frightening表示“令人心惊胆战的”，通常修饰物。