After being defeated in 2007, the Australian Liberal party needed to find a leader who could return them to power; they hope that the current leader, a ____________ social conservative who leads the opposition on a number of issues, including stem cell research and carbon trading, and who wrote a book with the telling title Battlelines, may be the man for the job. A. compliant B. circumspect C. diffident D. pugnacious E. milquetoast F. disputatious