In the question below, three statements are given which may or may not contain an error in any part of the sentence. Identify the statements containing an error and also point out the part containing the error.

I) These buildings (A)/ should be (B)/ the best which (C)/ can be built. (D)
II) As technology (A)/ races ahead (B)/ it can leave (C)/ a lot of workers behind. (D)
III) Courts are (A)/ at least (B)/ as slow health-care (C)/ authorities. (D)