问题
选择题
All morning as she waited for the medical report from the doctor, her nervousness ________.
A．has grown
B．is growing
C．grew
D．had grown
答案
答案：C
her nervousness（紧张）伴随waited（等）的过程而产生，因此grow与waited同时发生，时态一致，都用一般过去时。