Answer:
A
Step-by-step explanation:
The paragraph states that many people do not set aside time to write a card, even though a thank you card inside an envelope is actually a very heartfelt way to express gratitude.
The reading points out that in the modern day world a text or an e-mail is the most likely choice when responding to someone, even when saying thank you. This is not the best choice, however, because the thoughtfulness and expression of a thank you card cannot be transmitted electronically.