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 blank.
A helicopter can do many things that an aeroplane cannot. It can (1)`"______"` straight up or straight down, or sideways. It can hover over one spot, like a hawk (2)`"______"` the air, and it can (3)`"______"` or land in a very small space. A helicopter has no wings but it (4)`"______"` a set of blades that whirl .Because of this, it is called a “whirly-bird”, and the air over the (5)`"______"` blades gives the lift needed to make the machine fly.
Select the most appropriate option to fill in blank No.2.

Options

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

Answer

D