Which claim from the passage lacks supporting evidence?
in in
fficult
nazed
ntain
art
of K2
A. When climbers arrive at the base, they are amazed by the steep rock face of the mountain and awed by the weather.
B. Two people from an Italian expedition team were the first to reach the top of K2: Lino Lacedelli and Achille Compagnoni.
C. Most climbers attempt to reach the top of K2 from Pakistan, but no one has ever tried to climb the mountain in the winter.
D. The mountain is located on the border of China and Pakistan, which is in the Karakoram part of the Himalayan mountain range.