33. How would you carry out the following transformation? (A) 1. (a) NaOH, (b) CH3CH2Br; 2. Na, NH3(l) (B) 1. Na, NH3(l); 2. (a) CH3MgBr, (b) CH3CH2Br (C) 1. (a) NaNH2, (b) CH3CH2Br; 2. H2, Lindlar’s catalyst (D) 1. (a) NaNH2, (b) CH3CH2Br; 2. Na, NH3(l) (E) 1. (a) BuLi, (b) CH3CH2Br; 2. H2, Lindlar’s catalyst