char s1 =＂abcd＂ ; B char p=1000; C char s23=＂zxy＂; D char s423=＂xyz＂＂mnp＂;

A) This is a character array named s1 that has the values "abcd" stored in it.

B) This is a pointer named p that has the memory address 1000 stored in it. It is not clear what data type p is pointing to.

C) This is a character array named s2 that has the values "zxy" stored in it. The array has a length of 3, so there is no room for a null terminator.

D) This is a 2-dimensional character array named s4 that has two rows and three columns. The first row contains the values "xyz" and the second row contains the values "mnp".