Question

Of the two pens, the boy bought ______ expensive one at last.

A．the most

B．the least

C．less

D．the more

Answer 1

D

在英文中两个事物作比较通常用比较级，本题两只钢笔，故要用比较级，比较级
多音节的单词通常在前加more，expensive属于多音节词，故选D。