In the following questions, in the given sentences, a part of the sentence is underlined. Beneath each sentence, four different ways of phrasing the underlined part are indicated. Choose the best alternative.

Five years ago today, I am sitting in a small japanese car, driving across Poland towards Berlin.

A. was sitting

B. have been sitting

C. sat

D. No improvement

Please do not use chat terms. Example: avoid using "grt" instead of "great".