Tina is taller than Mary and she also sings loudly than Mary.A. more B. very C. big

问题补充：

Tina is taller than Mary, and she also sings loudly than Mary.

A. more B. very C. big

答案：

解析：句意:Tina比Mary高，她唱歌的声音也比Mary更大。本题考查的是比较级的用法，句子中than 表示比，故应该用比较级，表示Tina和Mary两个人相比，loudly 的比较级是more loudly，故选A。