A. Is correct, but irrelevant to the salaries part.
B. Again, as A, is correct, but irrelevant.
C would mean these men would get paid low, just like other pink collar jobs workers (mostly women), not necessarily improve their salaries.
D. Irrelevant to salaries. No correlation between size of pink collar field and salaries offered there. If exists, would be inverse correlation.
E. Correct. As women move from low paying pink collar jobs to higher paying jobs (which are traditionally paid higher) they get better salaries.
Who says elephants can't dance?