How can advertising lead to consumers being vulnerable to a company?a$.$b$..$d$.$ a$.$a$.$ Consumers may ignore advertisements and read product reviews instead.O b$.$a$.$ Consumers only know what the firms tell them and what they can infer from reading product packaging or service descriptions. c$.$a$.$ Consumers may rely on word$-$of$-$mouth referrals instead of doing firsthand research of a product or service.O d$.$a$.$ Consumers may not always watch the full advertisement.