Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Some scientists have argued that the purpose of the human appendix may have been to digest uncooked meat and bark, functions that are no longer useful.
Answer the question before viewing the answer below
Correct answer: C
no longer useful : out of date = obsolete: no longer used because sth new has been invented