单项选择题The cisco telepresence portfolio provides industry-leading video-conferencing solutions , how does the Cisco acquisition of tandberg strengthen its position()
A.it will givecisco products A strategic advantage by providing privileged access to the TIP
B.it enablescisco to eliminate product redundancies and improve margins
C.it providescisco with its first high-end telepresence offering
D.it allowscisco to quickly broaden its product portfolio to better serve customer needs