2.以下选项中，不能正确赋值的是____。

A. [{"value":"char *s4="Ctest";","key":"A"},{"value":"char s2［］={'C', 't', 'e', 's', 't'};","key":"B"},{"value":"char s1［10];s1="Ctest";","key":"C"},{"value":"char s3［20］="Ctest";","key":"D"}]

B. [{"value":"char *s4="Ctest";","key":"A"},{"value":"char s2［］={'C', 't', 'e', 's', 't'};","key":"B"},{"value":"char s1［10];s1="Ctest";","key":"C"},{"value":"char s3［20］="Ctest";","key":"D"}]

C. [{"value":"char *s4="Ctest";","key":"A"},{"value":"char s2［］={'C', 't', 'e', 's', 't'};","key":"B"},{"value":"char s1［10];s1="Ctest";","key":"C"},{"value":"char s3［20］="Ctest";","key":"D"}]

D. [{"value":"char *s4="Ctest";","key":"A"},{"value":"char s2［］={'C', 't', 'e', 's', 't'};","key":"B"},{"value":"char s1［10];s1="Ctest";","key":"C"},{"value":"char s3［20］="Ctest";","key":"D"}]

E. [{"value":"char *s4="Ctest";","key":"A"},{"value":"char s2［］={'C', 't', 'e', 's', 't'};","key":"B"},{"value":"char s1［10];s1="Ctest";","key":"C"},{"value":"char s3［20］="Ctest";","key":"D"}]

F. [{"value":"char *s4="Ctest";","key":"A"},{"value":"char s2［］={'C', 't', 'e', 's', 't'};","key":"B"},{"value":"char s1［10];s1="Ctest";","key":"C"},{"value":"char s3［20］="Ctest";","key":"D"}]