Whose single "Long Tail Sally" makes use of stop time?

The development of minuscule, _________________, was a significant contribution of the Carolingian period

A. a building material that was inexpensively produced B. a metalworking process for embedding precious stones and glass C. a new clear, lowercase script that increased the legibility of manuscripts D. a technique for making small copies of large-scale paintings

Which of the following is a true statement of this selection?

a) its composer uses the preexisting material without change from its original source b) its composer uses the preexisting material set out in voice pairs and in strict canon c) the composer shifts the borrowed music from its original duple meter to triple d) its composer subjects the preexisting material to a change from duple to triple time