单选题 At the back of the classroom, Nina sat with her arms crossed, glaring at her teacher, Mr. Beane, her body language indicated that English was her least favorite subject.

A、 fragment
B、 run on
C、 comma splice
D、 correct

【正确答案】 C

【答案解析】解析：题干中的“At the back of the classroom，Nina sat with her arms crossed，glaring at her teacher，Mr．Beane”和“her body language indicated that English was her least favorite subject”是两个独立的句子，但是中间却只用逗号连接，因此C项“逗号拼凑句”正确。