[单选题]
01.20: When submerged underwater, the apparent mass of one cubic coicp*pf 2z72ucw ,n 3rentimetx2b.rnt ez1jn)g gv.( er of pure gold is 18.3 grams. What woug xnj1b ..ezv)nt2g(rld be its mass in air?
A. 16.3 grams
B. 17.3 grams
C. 18.3 grams
D. 19.3 grams
E. 20.3 grams
