DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 A clinical thermometer is used to measure the body temperature of human beings. It consists of a long, narrow, uniform glass tube. It has a bulb at one end. The bulb contains mercury. This thermometer read temperatures from \[35{}^\circ C\] to\[42{}^\circ C\]. What for is a clinical thermometer provided with a kink?

• A. To keep the mercury within the range of \[35{}^\circ C\]-\[42{}^\circ C\]
• B. To allow the temperature reading to remain unchanged after the use of temperature until a jerk is given.
• C. To make the thermometer size smaller.
• D. All of the above are correct.