题目内容：

This is a scarf ____my mother gave me as a gift for my birthday.A whose B who C which D what

优质解答

C
定语从句, 这是我妈妈在我生日那天作为礼物送给我的围巾.
但是提干并不准确,有定语从句的修饰词前面应该是The （也就是应该是the scarf)