The correct answer is A. They introduce and question a trend.
Step-by-step explanation
In the first paragraph the author introduces the text saying "In our digital age, handwriting is quickly becoming obsolete." Later, in the second paragraph, he/she questions this trend saying "It is time to kiss our antiquated pens and notebooks goodbye and embrace our devices?" An finally he/she establishes his/her position about this trend saying "the answer is an emphatic "no"."
So, according to the above, the correct answer is A. They introduce and question a trend.