[单选题]
Turning up the flame cfk1o(r r 7a:a.n oz)qunder a paavma xo.+ :hb7n of boiling water causes
A. the water to boil away faster.
B. the temperature of the boiling water to increase.
C. both the water to boil away faster and the temperature of the boiling water to increase.
D. none of the above