The minimum content of a readback of the message from ATC “X-CD CHANGE FREQUENCY TO STEPHENVILLE TOWER 118.7” is:
a. 118.7
b. CHANGING FREQUENCY X-CD
c. TO STEPHENVILLE X-CD
d. 118.7 X-CD
a. 118.7
b. CHANGING FREQUENCY X-CD
c. TO STEPHENVILLE X-CD
d. 118.7 X-CD