Question

eurozone. apart from making traveling easier within european countries, a single currency makes economic and political sense. it reinforces its stability and contributes to low inflation. a single currency is also a logical match to the single market and helps to make it more efficient. using a common currency increases price transparency, eliminates currency exchange costs, and simplifies international trade. lastly, the euro gives citizens a tangible symbol of their european identity. the student wants to make sure that his word choices are appropriate to inform his audience about the euro. choose the best two words to replace the underlined word. accompaniment balance complement counter quantity supplement

Explanation:

The context implies that a single currency and a single market are well - matched and enhance each other. "Complement" means something that completes or enhances something else when combined with it. "Supplement" also implies adding to something to make it more complete or effective. These two words fit the context better than the other options. "Accompaniment" is more about being present with something, "balance" is about equilibrium, "counter" is more of an opposing or contrasting element, and "quantity" is about amount.

Answer:

C. complement
G. supplement