In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blanks
An earthquake is the shaking of the ground caused by the sudden breaking and (1)_____of large section of the Earth's rocky outer shell. Scientists estimate that there (2) _____more than 8,000 minor earthquakes each day. Of these, only about 1,000 are strong (3)_____ to be felt. At least 40 moderate earthquakes cause damage somewhere (4)______the world each year. A really powerful earthquake only occurs, on average, once every two years, (5)______when it does, the results can be devastating.
Select the most appropriate option to fill in blank No 4

Options

A. into
B. in
C. on
D. at

Answer

A