has an interest in the lecture can go for a ticket from the office next to the gate of th

问题补充：

has an interest in the lecture can go for a ticket from the office next to the gate of the lecture room.

A. No matter who

B. Whoever

C. Anyone

D. Those who

答案：

A. No matter who

(答案→)B. Whoever

C. Anyone

D. Those who

解析：主语从句考查题。连接词Whoever在从句中做主语相当于anyone who，No matter who只可以连接状语从句。无论谁对讲座感兴趣都可以在报告厅大门一侧的办事处索要一张入场券。