The A-bike is a folding bicycie .Clive sinclair from the UK

The A-bike is a folding bicycie .Clive sinclair from the UK made it .The foiding bike is not a new idea,but did you see such a small but wonderful___1__?The A-bike is only 5.5KG and it__2__only 10 seconds to fold.when you don't want to__3__it,you can fold it up and take it to public places ____4___into stores.
1.A.it B.one C.that D.this
2.A.has B.is C.takes D.pays
3.A.buy B.ride C.bring D.see
4.A.boring B.tried C.relaxing D.difficult