ColaBlue,a Soft Drink Manufacturer,is Sued by an Environmental Group for Not

ColaBlue,a soft drink manufacturer,is sued by an environmental group for not meeting certain safety standards in its waste disposal.ColaBlue remedies the problem by adding higher-grade filters and purifiers.Which of the following actions by ColaBlue would constitute a public-relations effort to address the effects of the lawsuit and the consequent damage to its brand image?

A) having well-trained personnel at retail outlets to explain the different ranges of products the company provides
B) tying up with local restaurants to promote exclusive sales of ColaBlue soft drinks
C) lowering prices of ColaBlue's products in the short term
D) holding a press conference to explain the remedial steps that ColaBlue has taken
E) making new advertisements for ColaBlue products and sponsoring shows on television