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.