Respuesta :
A. A firm handshake - like a friendly smile, a pleasant attitude; and good manners - is a valuable asset in life.
In a sentence, the colon should only be used if the entire sentence is a list, and a hyphen cannot be used to separate sections, unless it is used at either end. Therefore A is the correct answer.
In a sentence, the colon should only be used if the entire sentence is a list, and a hyphen cannot be used to separate sections, unless it is used at either end. Therefore A is the correct answer.
A firm handshake, a friendly smile, a pleasent attitude, and good manners-is a valuable asset in lifee.