Which of the following statements about ribosome function is correct ( )

A、The ribosome has 3 tRNA binding sites, E site, P site and A site;
B、P site is the aminoacyl tRNA binding site;
C、The small ribosomal subunit is responsible for sequence-specific recognition of template mRN
A、;
D、The large subunit is responsible for carrying the functions of AA and tRN
A、