Answer choice $B$
Work Step by Step
If she can write about $150$ words in $4$ minutes, she can write $37.5$ words in $1$ minute. She can write $2000$ words in $2000\div37.5$ minutes. The answer is about $53.333333$, but the question said she can write $about $ $150$ words in $4$ minutes, so we need to find the closest answer. The answer is $B$.