Wednesday's Brain Bender

Anybody but me amazed that it is May already?? Holy cow! Anyway, here is the brain bender for May 3...

Find the word that best completes the following sequence.

NINE__ EIGHT __TEN__ NINETEEN __ ???

a) SEVEN
b) TWENTY
c) NINETY
d) FORTY-FIVE
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Okay, you know what to do. The answer will follow in the comments. See you later!

Update: Today's winner is Blue Tige! ::applause::