Advantages and disadvantages: should online education replace traditional face-to-face learning even after C-19 is over?

Although online education serves more efficient towards flexible scheduling and creates a more comfortable atmosphere, online education should not be disbanded after the current pandemic since the decision is controversial and irrelevant.

Explanation:

Compared to traditional learning, surveys estimate students taking online courses recall and elaborate less of what has been taught—online learning's swift and automated teaching has served incompetent and inefficient.

the correct answer is:

this is an example of the writer telling through description rather than showing through dialogue.

sometimes writers like to explain explicitely what's happening instead of adding dialogues of the situations., which is the case in this passage,