which one of the following is the most common initial finding in client with a pulmonary embolus +PE.. sudden sever dyspnea and chest pain

which one of the following is the most common initial finding in client with a pulmonary embolus A. sudden sever dyspnea and chest pain***
B. chest pain with uneqal chest exapnasion
C. petechiae over the upper chest and shoulder
D. gradually ascending leg pain.