Which statement best evaluates whether the narrative has a clearly defined focus? Dr. McWhorter carefully poured the mixture into the petri dish. She
wiped down the scale and weighed it gingerly, making sure not to disturb the precious contents. Finally, she held her breath and placed the dish under the microscope, hoping that she would see the cell growth that could mean new and promising research. As she adjusted
the microscope, however, she sneezed, and dropped the dish on the floor, where it shattered.

A. The narrative has a clearly defined focus on Dr. McWhorter's
careful work

B. The narrative has a clearly defined focus on Dr. McWhorter's field of study

C. The narrative has a clearly defined focus on Dr. McWhorter's
clumsiness

D. The narrative does not have a clearly defined focus.