when making an important purchase, be wary of __________, especially if they come directly from the…

when making an important purchase, be wary of __________, especially if they come directly from the manufacturer.\na. warranties\nb. qualified reviews\nc. customer testimonials\nd. professional reviews
Answer
Brief Explanations:
Customer testimonials from manufacturers may be biased or cherry - picked to promote the product. Warranties are guarantees of repair or replacement, qualified and professional reviews are usually from independent sources.
Answer:
C. customer testimonials