Which of the following reaction would give the best yield of t- butyl methly ether ?
A. `(CH_(3))_(3)C-OH underset(140^(@)C)overset(H_(2)SO_(4))to`
B. `(CH_(3))_(3)C-Br+CH_(3)OH to `
C. `(CH_(3))_(3)C-Br+CH_(3)overset(Ө)ONa to `
D. `(CH_(3))_(3)C-overset(Ө)(C)overset(oplus)(K)+CH_(3)Br to `
