Write (T) for the True statements and (F) for the False statements, according to the text.
( ) Dogs and wolves present features that make many scientists think that dogs came from wolves.
( ) Although dogs are human’s best friends. People don’t know their origin, exactly.
( ) Watchdogs can put their owners in danger in times of threatening.
( ) Well-educated dogs when in danger are always tame.
Choose the alternative that corresponds to the correct order.