The word "groundbreaking" (Para. 6) can be interpreted as ______.

A．implant embryo into a host animals
B．salute the Chinese efforts in saving pandas
C．save endangered animals from extinction
D．introduce a new species

A．tell the applicant how to prepare for an interview
B．teach the interviewer how to choose applicants
C．tell the applicant how to obtain information of the major corporations
D．teach the applicant what clothes to wear