Which is the most precise description of mt. rainier?

a. mt. rainier, a volcano that hasn't erupted in quite a while, is the highest spot in washington, and lots of people like to climb it every year.

b. mt. rainier, towering over washington state, emits clouds of billowy steam from its volcanic core and attracts intrepid climbers to scale its fearsome height.

c. mt. rainier, the tallest peak in the cascades at 14,410 feet and climbed by 2,500 people annually, is an active volcano whose steam vents have saved climbers' lives.

d. if you're going to get stuck on a mountain, mt. rainier's the one to choose, as it has lots of steam vents because it's an active volcano.