The correct options are
A Benin's Constitution committee - 9 members
B Constitution of Kenya - Expert committee of 5 members
D Constitution of Tunisia - 100 members in constituent assemblies
The actual writing of a Constitution is entrusted to the constitution making body. This body should include a diverse group of people. Benin's Constitution making body had 500 members. While Kenya had a committee of 9 experts. Spain's constitution was written by a 7 member parliamentary committee. While Tunisia elected over 200 people to a constituent assembly.