You lost a temporary file that belongs to the default temporary tablespace in your database. From the options provided， which approach would you take to solve the problem？（）

A.flash back the database

B.import the temporary tablespace from the last export

C.restore all the data files and temporary files from the last full database backup and perform a recovery

D.not perform a recovery， but create a new temporary tablespace， make it the default temporary tablespace and then drop the old tablespace