Which of the following code segments can be used to store "noon" in the string variable word ?

answer choices
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))