The correct answer is: [D]: "direct object" _____________________________________
The "noun clause" in the given sentence is "who committed the crime" ; since this "noun clause" described a "person" (which is a "noun"). Note that a "noun" refers to a "person, place, or thing".
This "noun clause" refers to a "direct object" ; since this 'noun clause' (or "person", i.e. "noun", if the "noun clause" were substituted with the proper noun) is directly receiving the action by the verb, "committed".
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Note: The crime was not committed "for someone" (i.e. for the purpose of someone/ on behalf of someone/ or in honor of someone/ or in exchange for the favor of someone, but: "directly by someone" .
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As such, this 'noun clause' is a "direct object" ;
→ which corresponds to:
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Answer choice: [D]: " direct object " ;
→ which is the correct answer.
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Hope this is helpful to you!
Wishing you well!
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