If channel length modulation is neglected, what is the voltage gain for the following circuit?

• A. – {gm1 * Rd * Rd / (1/gm2 + Rs)}
• B. – (gm1 * 2Rd * Rd / Rs)
• C. – {gm1 * Rd * Rd / (1/gm2 + Rs)}
• D. – {gm1 * Rd * Rd / (1/gm2 + 2Rs)}