go to college 的延续性 是be at college 还是 be in college

问题描述:

go to college 的延续性 是be at college 还是 be in college
没有 be in college 只有be at college 其他不合题意

go to college 是短暂性,be in college是持续性,be at college 不存在这种表达.例如:When have you went to college?I went to college 2 years ago.How long have been in college?I have been in college 2 years...