Answer:
C
Step-by-step explanation:
The two places of interests located near the Colorado river are:
Austin Nature and Science Center and Austin Museum of Art​
They are both located on the shore of the river, one in the South of Austin and the other one on the West side of the city, while the other places of interest are located away from the shore, in the central part of the city or North of it.
The L.B.J. Presidential Library and the University of Texas-Austin being the farthest.