Regarding the Psychosocial Dilemma of Intimacy Versus Isolation, Which of the Following

Regarding the psychosocial dilemma of intimacy versus isolation, which of the following statements is FALSE?

A) The psychosocial dilemma of intimacy versus isolation occurs during the period known as young adulthood.
B) Marriage or sexual involvement is one guarantee that intimacy will prevail.
C) Failure to establish intimacy with others leads to a deep sense of isolation.
D) Failure to establish intimacy often sets the stage for later difficulties.