Which of the Following Is a Difference Between Bilateral Aid

Which of the following is a difference between bilateral aid and multilateral aid?

A) Multilateral aid is a country-to-country aid,whereas bilateral aid comes from organizations using funds from many countries.
B) Multilateral aid comes from organizations using funds from many countries,whereas bilateral aid is a country-to-country aid.
C) Multilateral aid is a country-to-country aid,whereas bilateral aid comes from philanthropic organizations.
D) Multilateral aid comes from philanthropic organizations,whereas bilateral aid comes from organizations using funds from many countries.
E) Multilateral aid comes from established individuals who plan on helping poor countries,whereas bilateral aid comes from philanthropic organizations.