问题补充:
There is in population that a food shortage is caused.
A. so rapid an increase
B. such rapid an increase
C. such rapid increase
D. so a rapid increase
答案:
(答案→)A. so rapid an increase
B. such rapid an increase
C. such rapid increase
D. so a rapid increase
解析:这题考查so、such的区别,so+adj+a/an+名词,such+a/an+adj+名词,句意是:人口增长是如此快以至于食品短缺也造成了。选A。