According to the text, early Chinese coins featured which of the following?

In terms of one of their primary functions, the best modern analogue to Gothic cathedrals’ stained-glass programs would be

a. insulated or double-hung windows. b. informational pamphlets. c. window blinds. d. instructional videos.

The chorus in this listening example is sung by one voice instead of a quartet.  What then distinguishes the chorus from that of the verses?

A. The piano stops playing. B. The meter changes during the chorus. C. The chorus is sung softer than the verses. D. The chorus is in a higher vocal range.