• 2022-06-17
    中国20世纪60年代开始进行海洋油气资源的自营勘探和开发。
    A: As early as the 1960s, China began to explore and exploit offshore oil and gas resources on its own.
    B: Since the 1960s, China began to explore and exploit offshore oil and gas resources on its own.
    C: Beginning from the 1960s, China began to explore and exploit offshore oil and gas resources on its own.
    D: Until the 1960s, China began to explore and exploit offshore oil and gas resources on its own.