Regarding the Use of Potassium Tert-Butoxide as a Base in E2

Multiple Choice

Regarding the use of potassium tert-butoxide as a base in E2 reactions,it is incorrect to state that:

A) this base is more effective than ethoxide ion,because it (KOt-Bu) is the more basic of the two.
B) it tends to give the anti-Zaitsev,i.e.,Hofmann,product.
C) it is more reactive in dimethyl sulfoxide than it is in tert-butyl alcohol.
D) it favors E2 reactions over competing S_N2 reactions.
E) it will form,predominantly,the more stable alkene.