100 points
Which change will triple the lateral surface area of a regular triangular pyramid with base length b, height h, and slant height l?

A: Triple the height, h, of the pyramid while keeping each base length, b, the same.

B: Triple the slant height, l, and the height, h, of the pyramid.

C: Triple each side, b, of the base triangle while keeping the slant height, l, the same.

D: Triple the slant height, l, while keeping the height, h, of the pyramid the same.