Task: Question Answering
Input (English): Problem: thirty percent of the members of a swim club have passed the lifesaving test. among the members who have not passed the test, 21 have taken the preparatory course and 42 have not taken the course. how many members are there in the swim club ?
Options: a. 40, b. 60, c. 80, d. 90, e. 140
Output (English): d