Question

To prepare for the slippery slide down, riders put on a soft helmet and some arm pads. Then they lie on a mat. The mat has a pocket for their feet and a strap to hold as they slide. Workers can't secure, or attach, the mat to the rider so riders must hold that strap tightly all the way down.

What does "secure" mean in this passage?

A.to feel safe.

B.to hold lightly.

C.to slide down.

D.to fastern firmly.​

Answer 1

A because it talks about saftey

Answer 2

D. to fasten firmly.

Step-by-step explanation:

The answer is in the passage "...or attach..."

To attach also means to fasten firmly.