Bell bronze is an alloy containing _______

• A. 78% Cu, 22% Sn
• B. 95.5% Cu, 3% Sn, 1.5% Zn
• C. 95% Cu, 3% Si, 1% Mn, 1% Fe
• D. 75% Cu, 5% Sn, 18% Pb, 2% Ni