Some Charitable Contributions Are Limited to 50% of the Taxpayer's

Some charitable contributions are limited to 50% of the taxpayer's AGI,others may be limited to a lower % of AGI.Deductions to which of the following organizations are subject to the 50% limitation on deductible contributions?

A) Hospitals and certain medical research organizations associated with these hospitals.
B) Both churches and conventions of organizations of churches and educational organizations and hospitals and certain medical research organizations associated with these hospitals.
C) Rotary,Elks,and Lions Clubs who raise money for public causes.
D) Churches and conventions of organizations of churches and educational organizations.