Answer:
C. All the eukaryotic cells have centrioles.
Explanation:
All statements are true except C option because plant don't have centrioles.
It's true that spindle fibers are made up of microtubules. Nine triplets of microtubules arranged in a circular form made the centrioles which is component of centrosome in the cells. Spindle apparatus is present in all eukaryotic cells.
So, the only option left is C in which exception is that plant cells don't contain centrioles.