小明想推送dev分支新的提交到远程仓库，在推送之前查看分支如下：$ git branch -vvMaster 1ae2a45 origin/master: ahead 2] deploying index fix*dev f8674d9 origin/dev: ahead 3, behind 1] this should do it.小明推送的接下来的操作，哪些是正确的()
选项：

A:git push origin dev
B:git fetch; git merge oriqin/dev; push origin dev
C:git pull; git push origin dev
D:git pull --rebase; git push origin dev