The pesticide Azocide, introduced to central valley farms three
summers ago, has proven ineffective because other pesticides'
chemical compositions already in wide use
(A) because other pesticides' chemical compositions already
in wide use
(B) because of the chemical compositions of the pesticides
already in wide use
(C) due to other pesticides already in wide use, whose
chemical compositions have been
(D) since, due to the chemical compositions of other pesti-
cides already in use, those pesticides have been
(E) because of other pesticides and their chemical compo-
sitions already in use, which have been
"Start By Doing What Is Necessary ,Then What Is Possible & Suddenly You Will Realise That You Are Doing The Impossible"