recognized that the surest route to profit is
85. [A]across
[B]with
___75 understanding customers. This concept
[C] upon
[D]through
has been recognized in such slogans as "Have it
86. [A]presented
[B]submitted
your way," and "You are the boss". A good ex-
[C] offered
[D]delivered
ample of the importance of satisfying the con-
87. [A]mode