—What made the boss that angry?
—________.
A. Because the data he worked on were lost B. Because of the loss of the data he worked on
C. The data he worked on lost D. That the data he worked on were lost
—What made the boss that angry?
—________.
A. Because the data he worked on were lost B. Because of the loss of the data he worked on
C. The data he worked on lost D. That the data he worked on were lost
D