Lady Yang, being _____(fat/plump), became the apple in the eyes of Emperor Xuanzong

The collard seduction songs were created by ( )? Emperor ;Gaozong of ;Tang|;Emperor ;Taizong of ;Tang|Emperor Xinzong; of; Tang|Emperor ;Xuanzong of ;Tang

中国大学MOOC: Lady Yang, being _____(fat/plump), became the apple in the eyes of Emperor Xuanzong. (Choose the appropriate one from the given words, and fill in the blank.)