Which of the Following Is the Best Example of a Researchable

Multiple Choice

Which of the following is the best example of a researchable problem?

A) Should children who are in the primary grades be allowed to walk to school?
B) Are children in the primary grades best taught to read by home-based experiences
C) Are there differences in the amount of time spent reading in classrooms of non-native speakers?
D) Should teachers hold parent teacher conference?