B2 online延期的表格中有一项问:Do you have a Form I-94/I-94W/I-95 Arrival-
Departure Record Number OR an entry stamp in your passport to establish that
you entered under the Visa Waiver Program Electronic System for Travel
Authorization?
选yes还是no啊?中国好像不在Visa Waiver Program 的list里啊。可是如果选no,就
不让填I-94上的号码。