Which of the following statements is true of the fetus at the end of the fourth month of pregnancy?
A. The eyes and eyelids are completely formed, and a fine layer of hair covers the head.
B. A growth spurt occurs in the fetus' lower body.
C. The fetus is about 3 inches long and weighs about four-fifths of an ounce.
D. The fetus for the first time has a chance of surviving outside the womb.
Answer: B
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