When _____ different cultures, we often pay attention only to the differences without noticing the similarities.

A. compared          B. being compared        C. comparing         D. having compared  

When ______ different cultures, we often pay attention only to the differences without noticing the many similarities.

When        different cultures, we often pay attention only to the differences without noticing the similarities.

A．compared         B．being compared    C．to compare        D．comparing

1 

 When _________ different cultures, we often focus our attention on the differences without noticing many similarities.

A. having compared     B. compared             C. being compared     D. comparing

When        different cultures, we often pay attention only to the differences without noticing the similarities.