A:did; do; was seeing
B:did; do; saw
C:were; doing; saw
D:were; doing; am seeing
2016年8月31日,国务院、中央军委批准新建郴州民用机场。机场建成后郴州人远行将有一种更告诉、便捷的选择,请问人们能乘坐飞机出行得益于( )
Tom seldom, ______, paid for the software on his computer. That is, he used lots of pirated software.