For each #if, #ifdef, and #ifndef directive.
A. There are zero or more #elif directives
B. Zero or one #else directive
C. One matching #endif directive
D. All of the mentioned
Answer:A
For each #if, #ifdef, and #ifndef directive.
A. There are zero or more #elif directives B. Zero or one #else directive C. One matching #endif directive D. All of the mentioned