It was not until he had lost his health ( ) he got to know its value.
A.正确答案Athat
B.until
C.what
D.when
It was not until he had lost his health ( ) he got to know its value.
It was not until he had lost his health ( ) he got to know its value.
A.正确答案Athat
B.until
C.what
D.when