satisfies the teacher is the naughty boy is making progress in all his subjectsA. That; t

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A. That; that
B. That; what
C. What; what
(答案→)D. What; that
解析：第一空考查主语从句，what做主语从句的主语，第二空考查表语从句，表语从句中不缺成分，用that起到连接的作用，句意是：令老师满意的是，这个调皮的孩子所有的科目都取得了进步。选D。