The correct answer is option (2) -B and D only because except for hepatitis -B, genital herpes and HIV infections, other sexually transmitted diseases are completely curable, if detected early and treated properly. • Genital warts, syphilis and trichomoniasis are completely curable STDs upon proper detection and treatment. • Option (1) is incorrect as it includes genital warts • Option (3) is incorrect as it includes genital warts and syphilis. • Option (4) is incorrect as it includes trichomoniasis. Genital warts, genital herpes and hepatitis -B are viral STDs, syphilis is a bacterial and trichomoniasis is a protozoan STD.