Sentence Correction (SC) | Re: Mutual funds, though helpful for personal investors who wish to

Mutual funds, though helpful for personal investors who wish to diversify their portfolios, expose shareholders to additional taxation:not only are taxes on shareholders’ eventual sales of the securities collected by the IRS, but also on reinvested dividend stakes earned by the securities held by the funditself.

Not only on ...but also on ... parallelism structure are chosen to be considered here.

Left only B that satisfies the structure above.

B correct.

(A)not only are taxes on shareholders’
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