The InSight lander, which touched down on the surface of Mars in Nov 2018, has since detected around ________ marsquakes.

The InSight lander, which touched down on the surface of Mars in Nov 2

1.	The InSight lander, which touched down on the surface of Mars in Nov 2018, has since detected around ________ marsquakes.
A.	250
B.	350
C.	450
D.	550
E.	650
Answer» D. 550