D. saw an inconvenience among mobile users.

87. The new headphone was originally designed for

A. snowboarders.

B. motorcyclists.

C. mountain hikers.

D. marathon runners.

88. Did Alden solve the money problem?

A. He sold his house and his cars.

B. Factories could ship products before being paid.

C. He borrowed money from a mortgage company.

D. He borrowed money from his wife's family.

89. What did Alden do to promote sales in FYE stores?

A. He spent more money on product advertising.

B. He promised to buy back products not sold.

C. He agreed to sell products at a discount.

D. He improved the colour design of the product.

90. Alden sees headphones as

A. a sign of self-confidence.

B. a symbol of status.

C. part of fashion.

D. a kind of device.

TEXT C