到达 | arrive in/at | arrive 是不及物动词，后接地点名词时，大地方前用介词 in，小地方前用介词 at |
get to | get 是不及物动词，后接地点名词时，无论地方大小都用介词 to | |
reach | 及物动词，其后直接接地点名词 |
●When did they arrive in London?
他们是什么时候到达伦敦的？
●When does the train arrive at the station?
火车什么时候到站？
●What time does this plane get to New York?
飞机什么时候到达纽约？
●He didn't stop until he reached the door.
他走到门边才停下来。
I will call you as soon as Iarrive inGuilin.
句意：我一到桂林就给你打电话。get to 到达；reach 是及物动词，后面不用介词；get 是不及物动词，后面要加介词 to，然后接表示地点的名词；arrive 是不及物动词，后面加介词后再接表示地点的名词。故选 A。