Which of the following code segments can be used to store "noon" in the string variable word?
A. word = "no" + word.concat(reverse(word), word)
B. word = "no" + word.concat(reverse(word), reverse(word))
C. word = "on" + word.concat(reverse(word), word)
D. word = "on" + word.concat(reverse(word), reverse(word))