What is a benefit of link aggregation?

A. Optimizes fabric performance by distributing network traffic across ISLs.

B. Improves ISL utilization by increasing the network traffic on a specific ISL.
C. Yields a higher throughput by combining two parallel ISLs into a single physical ISL.
D. Saves bandwidth by restricting traffic to a specific potentially congested ISL.

Reference: http://www.tsmtutorials.com/2016/08/fc-san-topologies.html