If 'relftaga' means carefree, 'otaga' means careful and 'fertaga' means careless, which of the following could mean 'aftercare'?
relf taga = care free
o taga = care full
fer taga = care less
Hence taga means care, and if present in the second part, care comes in the first part in English translation.
For after care, "taga-fer" and "taga-zen" are the options. But "fer" means less.
Hence answer is C