The correct answer is B.
Look into period table of elements at electronegativity. Electronegativity of carbon is 2.5 and of fluorine 4.0. Electronegativity is a strenght/ability to attract electrons.
Fluorine eletronegativity is much higher so it's atom has stronger attraction of electrons.
In a bond between carbon and fluorine, fluorine has a stronger attraction for electrons due to its higher electronegativity of 4.0 compared to carbon's 2.5. This means that in the bond, fluorine attracts the shared electrons more strongly. Therefore, the correct answer is B.
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