The correct answer is "LEARN ONCE, REPEAT EVERYWHERE, learn once, repeat everywhere, Learn Once, Repeat Everywhere." This answer is correct because it accurately represents the given text in terms of capitalization and punctuation. The phrase "LEARN ONCE, REPEAT EVERYWHERE" is written in all capital letters with proper punctuation, while the phrase "learn once, repeat everywhere" is written in all lowercase letters with proper punctuation. The phrase "Learn Once, Repeat Everywhere" is written with the first letter of each word capitalized and proper punctuation.