souvik101990 wrote:
Because of the enormous research and development expenditures required to survive in the electronics industry, an industry marked by rapid innovation and volatile demand, such firms tend to be very large.
A. to survive
B. of firms to survive
C. for surviving
D. for survival
E. for firms' survival
My take is (B).
Such firms indicates that these firm must be mentioned before.Down to (B) and (E).
"firms" acts as adjective in (E);hence (B) is more proper.
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