Yes dear you can be admitted into any training College because you meet their grade requirement.
That is The minimum requirement for admission to the three-year basic education programme in a college of education for WASSCE or SSSCE applicants is credit passes in (5) subjects made up of three Core and two Elective subjects three of the subjects must be English language, Mathematics, Integrated Science or
Social Studies. For purposes of admission, a credit pass in: (a) WASSCE means grades a1- c6
So your science D7 will be substituted with social C6.