Which of the following lines contains a valid comment?

Which of the following lines contains a valid comment?

LANGUAGE: C++

CHALLENGE:

Which of the following lines contains a valid comment?

SOLUTION:

int twoPi = 3.14159; /* holds the value of two times pi */

CHALLENGE:

Which of the following lines does NOT consist of (a) valid, though boastful, comment(s)?

SOLUTION:

/* This is a //*// First Rate Program //*//

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