Which Among the Following Does Research Indicate About Extramarital Sex

Which among the following does research indicate about extramarital sex?

A) Blacks have the same rate of extramarital sex as whites.
B) Of all ethnic groups, extramarital sexual activity is highest among Hispanics.
C) People from higher income groups are more likely to indulge in extramarital sex.
D) Extramarital sex is common among those who rarely or never attend religious services.