in the girl's hometown,there are so many people -----her A visiting B to visit 选择哪个,为什么

in the girl's hometown,there are so many people -----her A visiting B to visit 选择哪个,为什么
in the girl's hometown,there are so many people -----her A visiting B to visit 选择哪个,为什么

in the girl's hometown,there are so many people -----her A visiting B to visit 选择哪个,为什么
A 现在分词作状语,因为句子已有谓语动词ARE

前者。现在分词表示动作一直在进行。

选visiting 前面there are so many people这个句子已经完整了，若后面还要加动词的话就是作为伴随状态，就要用 v+ing 形式

c、which to buy 应该是个从句（从美国人那确定的） which指代Mp3，to buy表意向 Cwhich to buy 已知范围里的选择 c,这里which引导了一个