问题补充：
My brother said, “I’m watching TV now.”
My brother said watching TV .
A. he, was, now
B. I, was, then
C. I, am, that day
D. he, was, then
答案：
A. he, was, now
B. I, was, then
C. I, am, that day
(答案→)D. he, was, then
解析：主句为过去时，从句也要用过去时，人称应该改为第三人称he，时间现在应该改为在那时then，故本题选D。
