Link each disease to the appropriate symptoms

A. Salivation, smacking, gnashing of teeth, not eating. Blisters in the mouth and on the hooves. Acute mortality in young animals.

B. Abortion at any stage of gestation and infertility.

C. Inflamed mucous membranes of nose and mouth. Fever. Swelling of the crown margins. Sores on the udder.

D. Anxiety, alertness, muscle tremors. Abnormal gait. Sensitive to light and sound. Increasing difficulty of getting up.