1 . Look! I’m currently in the Louvre. What ______ to you is Mona Lisa by Da Vinci.

A．is presented	B．has presented
C．is being presented	D．has been presenter

2 . Advances ________ in medicine and environment so far, thanks to increasing computer power. In addition, new products in virtual reality and wearable tech ________ to the market more and more quickly.

A．have made; have been brought	B．have been made; are being brought
C．were made; are being brought	D．are being made; have been brought

3 . Currently, nine men ______ (question) by police in connection with the shocking attack and we will follow closely the progress of the case. （所给词的适当形式填空）