Which of the Following Statements About Emission Is Correct

Which of the following statements about emission is correct?

A) It is commonly recognized that emission from visual display terminals can lead to health problems;
B) It is proved that pregnant women are least vulnerable to health threat from emission;
C) Emission are electronic radiation waves from visual display terminals;
D) Empirical evidence has demonstrated that pregnant women are most vulnerable to health threat from emission;
E) Emission are electronic radiation waves from wireless devices;