Bahraini opposition activists say a teenage boyA．was severely wounded by a tear gas canist

Bahraini opposition activists say a teenage boy

A．was severely wounded by a tear gas canister.

B．could be killed by the security forces.

C．was beaten to death by the protestors.

D．was shot by a gun fired at close range.

请帮忙给出正确答案和分析，谢谢！