B.
C E " role="presentation" style="display: inline; line-height: normal; font-size: 14px; word-wrap: normal; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; color: rgb(67, 77, 87); font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif; background-color: rgb(246, 255, 255); position: relative;"> C E 18
D.
D " role="presentation" style="display: inline; line-height: normal; font-size: 14px; word-wrap: normal; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; color: rgb(67, 77, 87); font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif; background-color: rgb(246, 255, 255); position: relative;"> D 13