Nominal, Permanent, Temporary and Real accounts

Which of the following statements is true? A. Cash is a nominal account, and Service Revenue is a temporary account. B. Equipment is a real account, and Salary Expense is a permanent account. C. Accounts Receivable is a temporary account, and Dividends is a real account. D. Prepaid Rent is a permanent account, and Income Summary is a nominal account

Expalin your answer.