What institution can request an opinion from the Economic and Social Committee? option_A: Only the Council option_B: Only the European Commission option_C: The European Parliament, the Council, and the Commission option_D: Only the European Parliament explanation: According to Article 304 of the TFEU, the Economic and Social Committee can be consulted by the European Parliament, the Council, or the Commission when the Treaties so provide. Moreover, these institutions can request its opinion in any case they consider appropriate.