How can Karel handle multiple beepers in one position?

The correct choice involves implementing a loop to collect or drop beepers. This approach is effective because loops allow Karel to automate the process of handling multiple beepers efficiently. For instance, if Karel needs to collect several beepers stacked in one position, a loop can repeatedly execute the action of picking up a beeper until there are none left to pick up. Similarly, if Karel needs to drop a certain quantity of beepers in one spot, a loop can facilitate this repetition until Karel has completed the desired number of drops.

Loops are fundamental in programming for handling repetitive tasks, making them ideal for this situation where Karel must manage multiple beepers. Using a loop keeps the code concise and minimizes the need for repetitive lines of code.

Other methods, such as using a counter for each beeper or logic involving conditional statements, may not be as efficient or straightforward for managing multiple items in a single location. Employing these alternative methods can complicate the core task rather than simplify it. Thus, utilizing a loop is the most effective strategy for Karel to collect or drop beepers in one position.