Factors that affect enzyme action — practice question

In what way will removing a reversible non-competitive enzyme inhibitor affect an enzyme-catalysed reaction?

• AThe $K_m$ will decrease and the $V_{max}$ will increase.
• BThe $K_m$ will increase and the $V_{max}$ will not change.
• CThe $K_m$ will not change and the $V_{max}$ will increase.
• DThe $K_m$ will not change and the $V_{max}$ will not change.