Roberto has begun uttering one-word holophrases (e.g. ,"Dada!") .About how old is Roberto likely to be?

A) 3 months
B) 6 months
C) 1 year
D) 2 years

Holophrases

Single-word expressions used by infants, which convey a complete thought or request.

Months

Units of time in calendars that approximate the natural period related to the motion of the moon; divisions of the year.

Dada

An art movement of the European avant-garde in the early 20th century, characterized by its mockery of materialistic and nationalistic attitudes.