The following exhibit shows ipv6 route output. What would the metric be fo r a summary route that summarizes all three OSPFv3 routes displayed?()<br /> <img src="https://nimg.ppkao.com/2018-07/yiyu/2018073108574683495.png?sign=c2139d3bf505a7c511f12a895bcf6f9d&t=62d1dd3c" />
A、160
B、140
C、120
D、100