What WHMIS Symbol Used on the Supplier's Products Would Help

Multiple Choice

What WHMIS symbol used on the supplier's products would help workers be aware of materials causing immediate and serious toxic effects?

A) flame in circle (flammable and combustible material)
B) capital R in circle (dangerously reactive material)
C) capital T in circle (biohazardous infectious material)
D) cross bones in circle (poisonous and infectious material)