Directions: The sentence below has an underlined part. The underlined part may have an error of grammar or syntax. From the given options (including an option that simply repeats the sentence), choose the option that seeks to correct the error. Select the option that best replaces the underlined part.
During his youth, he used to work out ten times as much as he jogged, but today in his middle age he is doing less of it.
Reveal answer
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