- (A) Ambitious is a characteristic of Type A personality. Individuals with Type A personalities are typically driven, ambitious, and have a strong desire to achieve and accomplish tasks.
- (B) Competitive is also a key characteristic of Type A personality. Type A individuals are often highly competitive, constantly striving to outdo others and push themselves to perform better.
- (C) Time conscious is another trait associated with Type A personality. These individuals tend to be very time-oriented, valuing efficiency and often feeling pressured by time constraints.
- (D) Laid back is not characteristic of Type A personality. In contrast, Type A individuals are typically not laid back but rather are more driven and intense in their pursuits.
Thus, the correct answer is:
\[
\boxed{A), B), C)}
\]