According to the material, which description matches a do loop?

• A. Do the loop body first, then check the condition.
• B. Check to see if you can do it, a BOOLEAN, then do it until false.
• C. Check the condition before the first iteration and skip if false.
• D. The loop runs forever.

Answer: (B)

A do loop runs the loop body first, then checks a condition to decide whether to continue. This means the body executes at least once, even if the condition is false on the first check.

The option that matches this pattern says you use a BOOLEAN to decide after performing the action, and you repeat until that BOOLEAN becomes false. That captures the essential post-action test of a do loop: you perform the work, then evaluate whether to repeat based on the condition. The other descriptions describe scenarios where the condition is checked before any iteration (a pre-test loop) or imply a constant, endless execution, which are not how a do loop operates.