Mark the letter A, B, C, or D to indicate the word(s)

Exercise 4. Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
29. Acupuncture originated in China and has been used as a traditional medicine for thousands of years.
A. began                     B. created                   C. developed                   D. introduced
30. There is no evidence at this time that acupuncture can treat cancer itself.
A. clue                        B. data                        C. proof                            D. sign
31. Acupuncture can treat from simple to complicated ailments.
A. acupoints               B. diseases                 C. points                           D. treatments