In a through d, declare a C variable named foo, according to the description type. (C language).

A) A 4-byte signed integer.

B) A 2-byte unsigned integer.

C) An array of 100 8-byte integers.

D) A structure with 3 fields: a 4-byte signed integer named count, a space called name to hold a string of up to 31 characters (dont forget to include space for the null terminator), and a 16-bit unsigned integer named tag.