At the Current Time,which Statement Is True About Our Knowledge

Multiple Choice

At the current time,which statement is true about our knowledge of whether animals can use humanlike language?

A) It has been clearly shown that animals cannot use humanlike language.
B) All animal communication is instinctual and,thus,is not language.
C) Only primates,like monkeys and chimps,show any sign of language-like behavior.
D) It is still unclear whether animals can show humanlike language at any level of development.