not until/ he / grow / understand / the matter
A. Not until he grew up that can he understand the matter.
B. Not until he grew up that he can understand the matter
C. Not until he grew up did he understand the matter
D. It is not until he grew up that can't he understand the matter.
⇒ Lựa chọn đúng là C
A. Not until he grew up that can he understand the matter.
B. Not until he grew up that he can understand the matter
C. Not until he grew up did he understand the matter
D. It is not until he grew up that can't he understand the matter.
⇒ Lựa chọn đúng là C