jQuery中的Ajax事件:ajaxStart、ajaxStop、ajaxSuccess、ajaxSend、ajaxComplete等,在整个Ajax请求过程中触发的顺序为 A: ajaxStart、ajaxSend、ajaxSuccess、ajaxComplete、ajaxStop B: ajaxSend、ajaxStart、ajaxSuccess、ajaxComplete、ajaxStop C: ajaxStart、ajaxSend、ajaxSuccess、ajaxStop、ajaxComplete D: ajaxSend、ajaxStart、ajaxSuccess、ajaxStop、ajaxComplete