Final answer:
The symptom of acute angle-closure glaucoma from the given options is D. halos around lights. It includes other symptoms like severe eye pain and blurred vision, and requires immediate medical attention.
Step-by-step explanation:
The signs and symptoms of acute angle-closure glaucoma typically include severe eye pain (often with nausea and vomiting), reddening of the eye, halos around lights, and blurred vision. Among the options given, the symptom that is indicative of acute angle-closure glaucoma is D. halos around lights. Other symptoms may include a decrease in visual acuity and the potential for rapid vision loss if not treated promptly. It's important to seek immediate medical attention if you suspect you have acute angle-closure glaucoma to prevent lasting damage.