Which of the Following Is the Best Plan of Action

Which of the following is the best plan of action for a light-skinned woman of childbearing age living in the tropics and concerned about giving birth to a child with neural tube defects (NTDs) ?

A) taking folic acid/folate supplements and protecting herself against the sun with sunscreen, clothing, and shelter
B) doing nothing, since a woman's chance of giving birth to a child with NTDs is genetically determined
C) taking vitamin D supplements
D) drinking plenty of fluids to boost her body's ability to regulate its own temperature
E) using a tanning booth to give her skin accelerated protection against the sun