THEY/ LEARN/ ENGLISH/ I/ 5 YEARS OLDA. THEY HAVE LEARNED ENGLISH F...

15) - KIEM TRA 45 LAN 2 HKI HAYSAT CT
KIEM TRA 45 LAN 2 HKI HAYSAT CT
15) They/ learn/ English/ I/ 5 years oldA. They have learned English for I was 5. B. They have learned English since I was 5C. They have learned English when I was 5. D. They have learned English until I was 5 .