Which of the following sentences are correct about a for loop in a C program? 1: for loop works faster than a while loop. 2: All things that can be done using a for loop can also be done using a while loop. 3: for(;;); implements an infinite loop. 4: for loop can be used if we want statements in a loop get executed at least once.

• 1
• 1, 2
• 2, 3
• 2, 3, 4