Joe and Jim were running errands together.  They had a lot to do and very little time to do it, so they experienced a lot of what? Choose the most suitable option to answer the above question. Options：  A. stress  B. aggravation  C. efficiency  D. tiredness  E. net gain
A

They got to the door and it was locked, he reached in his jeans what to retrieve the key? Choose the most suitable option to answer the above question. Options：  A. pocket  B. bus depot  C. lock  D. purse  E. front door
A

Why  would a person stop buying products? Choose the most suitable option to answer the above question. Options：  A. comparison shopping  B. overstocking  C. spending money  D. running out of money  E. bankruptcy
D

What does an airplane do before takeoff? Choose the most suitable option to answer the above question. Options：  A. crash  B. accelerate  C. turn around  D. catch on fire  E. carry freight
B