The answer is b .
UTIs don't always cause symptoms. When they do, they may include:
A strong urge to urinate that doesn't go away
A burning feeling when urinating
Urinating often, and passing small amounts of urine
Urine that looks cloudy
Urine that appears red, bright pink or cola-colored — signs of blood in the urine
Strong-smelling urine
Pelvic pain, in women — especially in the center of the pelvis and around the area of the pubic bone