Find out whether there is any grammatical error in below sentence. Though he stoutly persisted in denying his involvement in the case, / the facts made it very clear / that he had hand in the cruel murder of his wife.

• A. the facts made it very clear
• B. Though he stoutly persisted in denying his involvement in the case,
• C. that he had hand in the cruel murder of his wife
• D. No error

Answer: (C)