WHICH OF THE FOLLOWING IS TRUE OF THE GLOMAR CHALLENGER

4. - DE THI TOELF PBT 08 1995 (CO DAP AN)
DE THI TOELF PBT 08 1995 (CO DAP AN)
4. Which of the following is true of the Glomar Challenger?(A) It is a type of submarine.(B) It is an ongoing project.(C) It has gone on over 100 voyages.(D) It made its first DSDP voyage in 1968.