Temporary-employment agencies benefit not only
from the increasing demand for clerical workers but
also the higher profits made when highly paid
professionals are placed, requests for whom have
increased in the recent wave of corporate takeovers.

(A) the higher profits made when highly paid
professionals are placed, requests for whom
(B) the higher profits that are made in the place-
ment of highly paid professionals, requests
for whom
(C) from the requests for highly paid professionals,
who make higher profits for the agencies
when placed and whose requests
(D) from highly paid professionals, whose place-
ment makes higher profits for the agencies
and whose requests
(E) from the higher profits made in placing highly
paid professionals, requests for whom