What is the function of the command that repeats parts of a Task while the condition is false in Structured English?

The function of the command that repeats parts of a Task while the condition is false in Structured English is indeed best described by the command "DO UNTIL." This construct is designed to execute a block of code repeatedly until a specified condition becomes true.

When using "DO UNTIL," the process continues its execution of the enclosed statements as long as the condition remains false. Thus, the task will be processed for as long as the criteria for stopping are not met. This is particularly useful in scenarios where you want to ensure that a certain condition is achieved before terminating the loop or process.

In contrast, other options, such as "DO WHILE," function differently. "DO WHILE" executes as long as the condition is true, which is the opposite of "DO UNTIL." The focus on how "DO UNTIL" checks the condition before terminating the repetition is critical in understanding its role in controlling flow within structured programming paradigms.

Therefore, choosing "DO UNTIL" accurately captures the intended operation of repeating tasks until a certain condition becomes true, making it the correct answer.