Which of the Following Is True

Which of the following is true?

A) 75 percent of the atmosphere occurs below 10,700 m (35,105 ft) .
B) 90 percent of the atmosphere is below 1000 m (3300 ft) .
C) All but 0.001 percent of the atmosphere is accounted for within the troposphere.
D) 90 percent of the atmosphere is above the tropopause at 16,000 m (52,500 ft) .