usage of "OR"

fadi99

Do you prefer using \"A, B, or C\", or \"A, or B, or C\"? Thanks.

weicf

I prefer to use "A, B, or C" than "A, or B, or C". I think in a sentence, one "or" is enough, it is usually put before the last choice.

acxing

"A, B or C" is more common