题目选项分析

The prime lending rate is a key rate in the economy:tied to the prime are the interest rates not only on most loans to small and medium-sized businesses, but also on a growing number of consumer loans, including home equity loans.

The prime lending rate is a key rate in the economy:the interest rates are tied to the prime, not only on most loans to small and medium-sized businesses, but also a growing number of consumer loans, including home equity loans.