问题
选择题
. Reading this instructive book, ___________ .
A．tears came to his eyes
B．his eyes were filled with tears
C．he burst into tears
D．his eyes were full of tears
答案
答案：C
考查句式结构，前面是现在分词做状语，现在分词的逻辑主语和主句的主语是一致的，所以主语是he，选C，句意是：读这个有教育意义的书，他的眼泪留下了。选C。