Anyway, the crowd around me were obviously enjoying their day out at the races,

Anyway, the crowd around me were obviously enjoying their day out at the races, ________ by their happy faces and the sense of excitement.

A．observing  B．judging

C．considering  D．inferring

试题答案

B　考查习惯用法。judging by “通过……判断”，在句中通常作状语。