When he arrived, he found the aged and the sick at home.
A. nothing but
B. none but
C. none other than
D. no other than
网友回答
A. nothing but
(答案→)B. none but
C. none other than
D. no other than
解析：空格后the aged and the sick, 等于the old people and the sick people,所以but前应用表示人的不定代词。