At one point , we ran into a couple coming down from the glacier who were from Lubbock , TX . They saw Pat 's UT shirt and gave us the hook ' em horns sign . We started talking and they told us how great it was at the glacier .
According to the above context, choose the best option to answer the following question.
Question: What is the narrator , their friend and the stranger bonding over ?
Options:
A. The University of Texas .
B. An interest in longhorn beef .
C. Scaling a glacier .
D. None of the above choices .


A