It is usually considered that living with disability is （　）.

A:challenged and frustrated B:challenged and frustrating C:challenging and frustrated D:challenging and frustrating

You (will) almost always (find) Caroline (playing) a video game because she enjoys (to be challenged).（　）

A:will B:find C:playing D:to be challenged

It is postulated that a cure for the disease will have been found by the year 2020（　）.

A:challenged B:assumed C:deducted D:decreed

The salesman stood up for his product when challenged.（　）

A:defended B:sold C:spoke of D:stood out

The salesman stood up for his product when challenged.

A:defended B:sold C:spoke of D:stood out

It is usually considered that living with disability is （）.

A:challenged and frustrated B:challenged and frustrating C:challenging and frustrated D:challenging and frustrating

It is usually considered that living with disability is （）.

A:challenged and frustrated B:challenged and frustrating C:challenging and frustrated D:challenging and frustrating