问题补充：
He ishis elder brother.
A. as a tall fellow as
B. as tall a fellow as
C. so tall a fellow as
D. taller a fellow than
答案：
A. as a tall fellow as
(答案→)B. as tall a fellow as
C. so tall a fellow as
D. taller a fellow than
解析：考查倍数。倍数的表达有：倍数 + as + 形容词或副词的原级 +a + n + as + 其他；故选B。句意：他是和他哥哥一样高的小伙子。
