I was surprised at her positive attitude towards life after losing her legs.
A. How, is
B. That, was
C. What, were
D. What, was
网友回答
A. How, is
B. That, was
C. What, were
(答案→)D. What, was
解析：考查名词性从句。What I was surprised at是主语从句，what引导起该主语从句并在句中做at的宾语。第二空用was,因为表语是不可数名词attitude，同时句子又是过去时。句意：让我感到惊讶的是她在失去腿以后对待生活的积极态度。