Opinion of the Commission pursuant to Article 251(2), third subparagraph, point (c) of the EC Treaty on the European Parliament's amendments to the Council's common position regarding the proposal for a Directive of the European Parliament and of the Council concerning the distance marketing of consumer financial services and amending Directives 97/7/EC and 98/27/EC amending the proposal of the Commission pursuant to Article 250(2) of the EC Treaty