GMAT Critical Reasoning (CR) | Re: In order to learn to speak a foreign language, a person must

In order to learn to speak a foreign language, a person must practice effectively. The only effective way to practice is by uttering original sentences in that language, rather than reciting memorized ones. A person can utter such sentences only by first making mistakes in that language that would appear foolish to fluent speakers of the language.

Which of the following conclusions can be properly drawn from the statements above?
A. People who have learned to speak a foreign language will have