When you filed your return, you should have received a confirmation number from the CRA. If you don't have a number, you can check via CRA's My Account. Take a look at the following articles written by the TurboTax team to find out how. 

https://turbotax.community.intuit.ca/questions/1302263-how-do-i-know-if-my-return-was-filed-using-ne...

https://turbotax.community.intuit.ca/questions/1189871-how-can-i-check-on-the-status-of-my-tax-retur...