Choose the word among A, B, C, D that best fits the blank in the following passage. Now is the year 2060

Câu hỏi :

Choose the word among A, B, C, D that best fits the blank in the following passage.

Now is the year 2060. Barbara is an engineer (28) ….. for Hi-tech Operation Centre of Superstar City. Her job is to detect and analyze any threats to public safety such (29) ……. floods, earthquakes, and even (30)…….. Thanks (31) …… various sensors installed in every home and public place, Barbara's center can predict probable disasters, identify their locations and send a rescue team to help the people in danger. If warnings and assistance are given in good time, people's lives are well protected. Barbara's husband, Mark, is working for Eco Infrastructure Network, (32) …….. main function is to deal with urban environmental problems to make Superstar City greener, cleaner and more sustainable.