How Do You Say “One and A Half Hours?”

Please choose the correct answer to fill in the blank.
Ella: Jack, Nǐ měitiān xuéxí duō cháng shíjiān zhōngwén?
Ella: Jack, 你 每天      学习  多   长       时间    中文？
Ella: Jack, how much time do you spend studying Chinese every day?
Jack: ____.
Jack: ____.
Jack: One and a half hours.
A. 一个小时半 (yí ge xiǎoshí bàn)

B. 一半个小时 (yí bàn ge xiǎoshí)

C. 一个半小时 (yí ge bàn xiǎoshí)

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