Between the two parts of the concert is an interval the audience can buy ice – cream.A. w

问题补充：

Between the two parts of the concert is an interval, the audience can buy ice – cream.

A. when

B. where

C. that

D. which

答案：

(答案→)A. when

B. where

C. that

D. which

解析：本题考查定语从句。句中先行词为an interval，在从句中时间状语，故用关系副词when。句意：在音乐会的两部分的中场，观众们在这期间可以买冰激凌。