【单选题】

It is the author' s belief, as expressed or implied in the passage, that ______.
A．monopoly power creates an environment supportive of innovation

B．governmental protection for military research will do much to protect our dwindling resources
C．industrial giants, with their managerial bureaucracies, respond more quickly to technological change
D．firms with a small share of the market will aggressively pursue innovations because they are not locked into old capital equipment