The writer himself __________ .

Đáp án AThông tin ở đoạn 3:- One of my closest friends is someone I met through an online discussion group who lives hundreds of miles away from me. We have met face-to-face only twice, yet our regular electronic correspondence and cell phone calls sustain our close friendship.- And, speaking of blogging, my blog has introduced me to people I would never have met otherwise and has led to enduring and important friendships.