—Where are we going to have a trip?— ________.
A:It doesn't matter
B:It's up to you
C:That’s OK
D:Take your time
zǔ zōnɡ
qì pài
xí fù
dǎ liánɡ
____
biāo zhì
jīnɡ shén dǒu sǒu
liǎn shēnɡ bǐnɡ qì
shǒu jí yǎn kuài
关于东北平原成为商品粮基地主要原因的叙述,不正确的是( )