有下列情形之一的，不得担任保安员（）

A.曾被两次吊销保安员证

B.被吊销保安员证未满3年的

C.曾因故意犯罪被刑事处罚的

D.曾因殴打他人被行政拘留的

______ provided the methodological foundation for materials for the teaching and its principles formed the basis of such widely used series as English 900 and Success With English.

A．The Direct Method

B．The Oral Approach

C．The Audiolingual Method

D．The Communicative Approach