The formal one is the third one. By taking journalism courses,one may be prepared for several excitinf careers. Because when you're talking formaly you need to use some formal words and not like I love this and that or that job is awesome,because you need to show some respect.
The correct answer is C. By taking journalism courses, one may be prepared for several exciting careers.
Explanation:
The formal writing style is mainly characterized by the use of formal or sophisticated words such as technical words, correct grammar and spelling and by avoiding the use of the pronouns "I"/ "You" and the use of colloquial terms of slangs. According to this, the sentence that uses formal writing style is "By taking journalism courses, one may be prepared for several exciting careers" because this is the only sentence that does not use the pronoun "I" or "you" that are considered informal, also this follows the rules about language and grammar and avoids using informal elements such as contractions or phrases such as "you know" or "super fun" find in other options.
