To understand the given statement and determine the correct answer, we need to analyze the syntax and behavior of the code.

The given statement is a while loop with the condition "1". In C and C++ programming languages, any non-zero value is considered true, and the loop will continue executing as long as the condition is true.

Let's go through each option and explain why it is right or wrong:

A. Infinite loop: This option is correct. Since the condition "1" is always true, the loop will continue executing indefinitely, resulting in an infinite loop. The loop will not terminate unless there is a break statement or the program is interrupted externally.

B. Syntax error: This option is incorrect. The given statement does not contain any syntax errors. It is a valid while loop syntax in C and C++.

C. Depends on the compiler: This option is incorrect. The behavior of the given statement does not depend on the compiler. The program will behave in the same way regardless of the compiler being used.

D. none of the above: This option is incorrect. As explained above, the correct answer is A, as the given statement will result in an infinite loop.

The Answer is: A