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Let's break down the argument and carefully examine each answer choice to see which assumption is required for the conclusion.

The Argument
Premises:
  • Citizens in Country 777 pay very high prices for Internet connections.
  • There is only one company that installs Internet infrastructure (monopoly).

Conclusion:
  • To serve the citizens, the government should encourage competing companies in Internet services.

What Assumption Is Needed?
An assumption is an unstated premise—something that must be true for the conclusion to logically follow from the given premises.

The Core Logic:
The argument states that because prices are high and there is only one provider, introducing competition will "serve the citizens" (i.e., lead to better prices/services).

The hidden link: Competition will improve the situation for citizens—likely by lowering prices.

Analyzing Each Option

A. Citizens of Country 777 use the Internet frequently.
  • Relevance: This may make the problem more significant, but the argument about lowering prices with more competition does NOT depend on this. Even if Internet use were infrequent, the logic about how competition affects prices would stand.
  • Assumption? No.

B. The government of 777 is more focused on health problems than on Internet infrastructures.
  • Relevance: This discusses government priorities, not the mechanism by which competition would affect prices or service.
  • Assumption? No.

C. Internet infrastructures are complex and expensive to install.
  • Relevance: This explains why there might only be one provider, but it doesn't relate to why adding competition (if possible) would help citizens with prices.
  • Assumption? No.

D. A competitive market encourages companies to reduce prices.
  • Relevance: This is the missing link! The argument assumes that MORE COMPANIES means lower prices (and thus benefits to citizens). If competition did NOT lower prices, introducing competing companies would not necessarily serve the citizens.
  • Assumption? YES.
    • If this isn’t true, the argument falls apart—the remedy wouldn’t work.

E. There is only one Internet company in 777 because the others were unsuccessful and had to cease operations.
  • Relevance: This explains why there's a monopoly but doesn't relate to whether introducing new competition would result in lower prices or benefit citizens.
  • Assumption? No.

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Bunuel
The citizens of Country 777 pay very high prices for Internet connections. In 777, there is only one company that provides the installation of Internet infrastructures. Therefore, to serve the citizens, the government should encourage the introduction of competing companies in the field of Internet services.

The above conclusion is properly drawn if which of the following is assumed?

A. Citizens of Country 777 use the Internet frequently.

B. The government of 777 is more focused on health problems than on Internet infrastructures.

C. Internet infrastructures are complex and expensive to install.

D. A competitive market encourages companies to reduce prices.

E. There is only one Internet company in 777 because the others were unsuccessful and had to cease operations.


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