He ______ with a solution.

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A: Came in
B: Come in
C: Came up
D: None of these

Came up means proposed a solution. This question tests phrasal verb usage. Came in and come in don’t fit. Came up is common for presenting ideas. Understanding phrasal verbs enhances expressive accuracy. Correct usage ensures clarity in problem-solving discussions. This phrase is vital for discussing innovation in professional or academic contexts ensuring accurate depiction in reports or conversations about solutions strengthening comprehension of English idioms.