Read the following passage and choose the best option for each numbered blank

I. Read the following passage and choose the best option for each numbered blank.

Throughout its history, Japan (1)________from the destructive sea surges, known as tsunami. Tsunamis (2)________by earthquakes, hundreds of which strike Japan each year. It is of utmost importance that Japan is always ready for this chain of natural disasters. In Japan, high-rise buildings in major cities (3)________so that they (4)_______rather than shake during earthquakes, making them safer. Besides, new regualtions for quake-proofing buildings came into force, and some local governments (5)_____citizens a structural health check on their homes. Some coastal areas have tsunamis (6)_______, while others (7)________built floodgates to withstand inflows of water from tsunamis. And if an earthquake above a certain magnitude (8)_________, the bullet train will stop and nuclear and other plants will automatically go into temporary shut-down.

1. A.had suffered        B. has suffered           C. had been suffered             D. has been suffered

2. A.trigger                  B. are triggered          C. triggered                            D. were triggered

3. A.design                  B. are designed          C. designed                            D. were designed

4. A.sway                    B. are swaying           C. are swayed                                    D. have swayed

5. A. offer                   B. are offering            C. are offered                         D. offered

6. A.home                   B. house                     C. shelter                                D. habitat

7. A.build                    B. are building           C. are built                             D. have built

8. A.strikes                  B. is striking              C. has struck                           D. is struck