複選題60 下列語法哪些正確？ (A) ＜button type="submit" formaction="http://exam:8080/form" formmethod="post"＞ (B)＜form method="get" action="http://exam:8080/autoform"＞ (C)＜button type="submit" action="http://exam:8080/form" formmethod="post"＞ (D)＜button form="eform" type="submit"＞Submit form＜/button＞