| A.many children lack love from parents |
| B.robots helpful to the old will be in great demand |
| C.robots are the most useful to children |
| D.robots do better than people in healthcare |
| A.Japan is suffering economy depression |
| B.the robots are of poor design |
| C.the production of robots costs a lot |
| D.the future market is worrying |
| A.Unsatisfied. | B.Doubtful. |
| C.Favorable. | D.Regretful. |