Aiden loved to ride bikes. He wanted to ride every time him went outside. He rode his bike everywhere he went. Sometimes his mom would even let him ride his bike to the nearby park.

Which of the following sentence corrects the underlined grammar usage error?
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A. He wanted to ride every time his went outside.

B. He wanted to ride every time her went outside.

C. He wanted to ride every time she went outside.

D. He wanted to ride every time he went outside.