请从A、B、C、D四个选项中选出可以填入空白处的最佳选项。
1. —Look, what’s in his picture?
—Oh, it’s himself in ________ orange T-shirt.
A. / B. a C. the D. an
2.—Life of Pi is so interesting a film that lots of teenagers like to watch _________.
— I agree with you.
A. this B. that C. one D. it
3. It is reported that people must walk along the zebra lines ______March 20, or they may pay
for 50.
A. in B. before C. after D. on
