What does the tone of this statement from the passage imply?

The tone of the statement taken from passage implies that Julianne's recent test reports are indicating an unnerving sign as it suggests 'abnormality' and she needs to 'follow-up' an appointment as soon as possible. The tone is alarming and displays an indication of a serious problem

Explanation:

assuming the underlined word is "regnant", the correct answer is b) ruling.