Why Does Removing an Overripe, Mushy Apple from a Container

Why does removing an overripe, mushy apple from a container of otherwise good apples help preserve the good apples?

A) Chemicals in the overripe apple stimulate the conversion of sugar to starch in the good apples.
B) Gibberellins help preserve the good apples.
C) Ethylene production in the good apples is inhibited by the lack of ethylene production in the overripe apple.
D) The production of cytokinins is inhibited in the remaining good apples.
E) The overripe apple makes ethylene gas, which can cause the good apples to ripen more quickly than usual.