题目内容：
JanKoum, according to the text, is probably
A．that rare bird working against techgiants. A．that rare bird working against techgiants.
B．an opponent of tracking users'information.
B．an opponent of tracking users'information.
C．a strange partner for his unusual work style.
C．a strange partner for his unusual work style.
D．an advocate of apps with real-time ads.
D．an advocate of apps with real-time ads.
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：