13.Which of the following reaction sequences will affect the following transformation c20 1)n-BuLi/THF 。 3)H,0 B) 1)n-BuLi/THF 心r 。 4)H0 9 1)NaH/THF 3)H,0 D) Page9 Page 9 13. Which of the following reaction sequences will affect the following transformation? H O ? O OH A) 1) n-BuLi / THF 3) H3O+ O H 2) B) 1) n-BuLi / THF 4) H3O+ O H 3) 2) N , H+ C) 1) NaH / THF 3) H3O+ 2) O D)