请问lzm e8-11

the sale of government surplus machinery will begin at 9am and continue untill the supply lasts.

b: begins at 9am, continuing until the supply lasts

c:will begin at 9am and until the supply lasts will contine

d:begins at 9am and as long as the supply may last,it continues

e:will beging at 9am and continue a s long as the supply lasts

d 如果没有it是不是就对了