The Gutai manifesto proclaimed an end of

Echo bounces once and reverberation bounces a number of times

Indicate whether the statement is true or false

During the reign of Zhu Di, the look of Chinese porcelain improved dramatically because

a) the explorer Zheng He acquired high-quality cobalt overseas. b) lacquerware went out of fashion, prompting more artists to shift to porcelain. c) the use of feng shui tripled the number of kilns. d) artists adopted decorative motifs that mimicked the painting style of the Southern School.