A、They devoted all their time to do it. B、They planned in details for everything. C、They put off their wedding plan for it. D、Th

W: It’s a miracle that Frank came out of the accident alive.
M: Yes. It’s hard to believe that there would be a survivor from the plane crash especially after such a serious explosion.
Q: What can we know about Frank from the conversation?

M: How did they build up such a grand bridge within 3 years?
W: You know, workers overcame numerous numbers of difficulties. Most workers worked day and night on work-sites. Some young workers even delay their wedding plan for it.
Q: How did they build up the bridge?