A 61-yearold female is commenced on anti-hypertensives by her GP as her blood pressure has been elevated on the last three visits. Following her first dose at home, she noted her tongue became very swollen and she had some difficulty breathing. She was rushed to the emergency department and a diagnosis of angio-neurotic oedema was made.Which group of the following anti-hypertensives is most likely to have precipitated this?Select one answer only
选项：

A: ACE inhibitors
B: a blockers
C: B blockers
D:Calcium channel blockers
E: Thiazide diuretics