In All Three Species of Phalarope, a Taxon of Wading

In all three species of phalarope, a taxon of wading shorebirds, the majority of parental care is provided by the male. Based on the Bateman-Trivers hypothesis of sexual selection, what would you expect to see in phalaropes?

A) Chick survival is very low.
B) Females are more brightly colored than males.
C) Each female mates with a single male.
D) Males are larger than females.