You know how to use the pitch of your voice to convey emotion and meaning, like " I went to the store." Just because I raised the pitch the note, if you will you interpret that as an interrogative.

您知道如何使用音调来传达情感和含义，例如“我去了商店”。只是因为我提高了音调，如果你愿意的话，你可以将其解释为疑问句。