A、BECAusE hE himsElF ChosE to BE singlE All his liFE.
B、BECAusE hE hAD A prEjuDiCE AgAinst womEn.
C．BECAusE hE CoulD not BEAr thE romAn BEtwEEn CouplEs.
D．BECAusE singlE mEn wErE BEttEr solDiErs CompArED with mArriED onEs.