Every month he measures his baby daughter against the wall to see how much she is getting

问题补充：

Every month he measures his baby daughter against the wall to see how much she is getting.

A. tall

B. the taller

C. taller

D. tallest

答案：

A. tall

B. the taller

(答案→)C. taller

D. tallest

解析：考察形容词的比较级用法。意为跟上一次相比，长高了多少，表示对比。

句意为每个月他都把他的女儿对着墙进行比较，看看她长高了多少（比上次）。