<prompt>  A 40yearold politician suffered from attacks of chest pain diagnosed as angina pectoris. He had a tense personality, resting heart rate was 96min blood pressure 170104mm Hg, but blood sugar level and lipid profile were normal. Select the most suitable antihypertensive for the initial therapy in his case:NifedipineHydrochlorothiazideAtenololMethyldopa 