Which of the Following Is the Best Example of Timbre

Multiple Choice

Which of the following is the best example of timbre?

A) The difference between a tune played in two different octaves on a piano
B) The difference between the sound of a church bell directly overhead and the same bell a mile away
C) The difference between a note sung by a female soprano and a female alto
D) The difference between the sound made by a flute and the sound made by a violin