单项选择题

A. The contrast setting needs to be raised from the def……

A technician replaces a user’s 15 inch LCD with a 20 inch LCD. Later, the user informs thetechnician that icons are very large and the text on the monitor is fuzzy and distorted. Which of the following is MOST likely the cause?（）

A. The contrast setting needs to be raised from the default.
B. The monitor firmware was not updated.
C. The new monitor has a different native resolution.
D. The monitor needs to be degaussed to clarify the picture.

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