Answer:
I think B is the best description of chromosomes because it describes them and gives relevent information about what they do.
•I was thrilled that my cousin was coming to stay with us. (B. joyous)
Definition: joyous is an adjective which describes the state of great happiness.
•My heart broke when I saw the children in the hospital. (D. empathetic)
Definition: empathy is a psychological identification, ability to share and understand the feelings of others.
•You're so silly, you can't wear pajamas to school. (C. Playful)
Definition: playful expression is expressed with the intent of amusement in contrary to express seriously.
•She has no talent; she's a fool if she thinks she'll be cast in the play. (A. cruel)
Definition: cruel is an expression of being unkind or cold hearted towards other’s pain or suffering.
Answer:
I think he wants to say that every success starts from little early steps and only by doing this one can achieve one's goal.
