Millionaire Mode

Directions: The following sentence has four parts marked from a - d. One of the parts may contain an error and if so, identify the part that contains the error and choose the letter corresponding to that part from the given options. If the sentence does not contain any error, choose option (e).

On the snow-covered land or frozan (A) water, the Eskimos (B) travel on-sledges dragged (C) by five, seven or nine strong dogs called huskies. (D) All correct. (E)