NEET Biology question

The blastomeres in the blastocyst are arranged into an outer layer called .......... and an inner group of cells attached to the trophoblast called the ........ mass. The trophoblast layer gets attached to the ...... and the ....... differentiates as the embryo. As a result, the ........ becomes embedded in the endometrium of the uterus. This is called ..... and leads to pregnancy. The blanks given in the above paragraph, filled in chronological order, are

• (A)Inner cell, trophoblast, endometrium, inner mass cell, blastocyst, implantation
• (B)Trophoblast, inner cell, endometrium, inner cell mass, blastocyst, implantationCorrect
• (C)Trophoblast, inner cell, endometrium, implantation, blastocyst
• (D)Trophoblast, inner cell, inner cell mass, endometrium, implantation, blastocyst