Which of the following sentences is written in active voice?
A.
By April to her mother, that she would clean her room before going to see the movie was promised.
B.
April promised her mother that she would clean her room before going to see the movie.
C.
That she would clean her room before going to see the movie was promised by April to her mother.
D.
To her mother, that she would clean her room before going to see the movie was promised by April.