The Most Distinguishable Symptom of a Heart Attack Is

The most distinguishable symptom of a heart attack is:

A) slight discomfort or pressure or an unbearable squeezing or crushing sensation in the chest that may spread to the back, neck, jaw, left arm, both arms, or abdomen.
B) sudden severe headache along with nausea and vomiting, temporary loss of consciousness, and very high blood pressure.
C) increased urination, increased thirst, and unexplained weight loss.
D) sudden numbness, weakness, or paralysis of the face, arm, or leg on one side of the body.