问题补充：
John is the tallest boy in the class,according to himself.
A. five foot eight as tall as
B. as tall as five foot eight
C. as five foot eight tall as
D. as tall five foot eight as
答案：
A. five foot eight as tall as
(答案→)B. as tall as five foot eight
C. as five foot eight tall as
D. as tall five foot eight as
解析：“as+形容词/副词+as+具体数量”表数量之大。B.as tall as five foot eight表“高达五点八英尺。”
