Raymond, a researcher, is conducting a study on child development. after observing several infants, he finds that parental conflicts have no effect on babies as they are too young to understand. which of the following, if true, would weaken raymond's argument? a. babies understand the facial expressions of people around them and react accordingly. b.many gifted children don't recognize or develop their skills until adolescence. c.a baby's early achievements—such as reaching, sitting, crawling, or talking—are rarely good indicators of intelligence. d.babies are oblivious to parental yelling because they are at a development stage when they are only aware of their physiological needs.