The earth became so violent ____it was not clear ____ the shape would last or not.

A．which; whether

B．that; what

C．what; if

D．that; whether

做企业职工，就要准确全面地把握企业的价值观，并通过自己的不断提高的职业道德和职业技能来贯彻这些价值观，体现这些价值观。