Data Were Collected on the Power Generated by Wind and Solar

Data were collected on the power generated by wind and solar installations worldwide since 1996.Look at the following graph of these data and answer the questions that follow.
-Based on this graph and what you know about how best to pursue sustainability,which of these two renewable energy sources should we pursue most vigorously in the future?

A) Wind: It is more popular than solar,so it is probably more useful or profitable.
B) Solar: It appears to be increasing at a faster rate in recent years.
C) Wind: It has shown the steadiest rise since 2002.
D) Both should be pursued to diversify our energy options.