For a binary half-subtractor having two inputs A and B, the correct set of logical expression for the outputs D (= A minus B) and X (= borrow) are

• A. \(D=AB+A\bar B,X=\bar AB\)
• B. \(D=A\bar B+A\bar B ,X=A\bar B\)
• C. \(D=A \bar B+\bar AB ,X=\bar AB\)
• D. \(D=AB+A \bar B,X=A\bar B\)