Choose the option that best combines the given sentences: The system crashed. It happened without warning. All unsaved data was lost.

A The system crashed without warning. All unsaved data is lost.

B The system crashed without warning, resulting in the loss of all unsaved data.

C Without warning, the system crashed and all unsaved data is lost.

D All unsaved data was lost when the system, crashing without warning. The system crashed without warning and causing all unsaved data to be lost.

Correct Answer: Option A