答案:C
The _________ at the military academy is so rigid that students can hardly bear it.
A.convention
B.confinement
C.principle
D.discipline
根据商标法律制度的规定,下列各项中,可成为商标权主体的有( )。
A.自然人
B.公司
C.合伙企业
D.公益组织