Read the passage carefully and give the answer of question given below. A little girl was learning a history lesson with her governess. All the morning she had been reading it over and hearing it explained by her governess, but no good came of either the reading or the teaching. The governess went over the lesson several times, explained the meaning, and for the last time, asked her pupil to read it over. After due time had been given, the girl was examined as to her knowledge of the lesson, but not a single answer could she give correctly. The governess lost patience with her, and threatened to punish her unless she could state where a certain treaty was signed.
After reading the whole passage, which of the following impressions do you think correct about the inability of the girl to answer questions correctly?

Options

A. The dullness of the girl
B. The incompetence of the governess
C. The difficulty of the language
D. The lack of time