Which of the following can be considered sexual harassment?

The correct choice encompasses a range of behaviors that collectively define sexual harassment. Unwanted touching is a physical violation of personal space that can create a hostile or intimidating environment. Inappropriate jokes can contribute to a workplace culture that is disrespectful and demeaning, often targeting individuals based on their gender or sexual orientation. Unwanted advances may include flirtatious remarks or invitations that the recipient does not welcome, which can also foster a sense of discomfort or threat.

Each of these behaviors violates the principles of respect and consent, integral to a healthy and professional environment. When they occur in conjunction, they create an atmosphere that can significantly adversely affect individuals, making the collective option the most comprehensive understanding of what constitutes sexual harassment. Therefore, recognizing all these actions as forms of harassment is crucial in addressing and preventing abusive behavior in any setting.