Correct sequence in embryonic development of frog is [BCECE 2005]

• A. Zygotes ®Cleavage®Blastula®Gastrula
• B. Zygotes ®Cleavage®Gastrula®Blastula
• C. Cleavage®Zygotes®Blastula®Gastrula
• D. Zygotes ® Blastula®Cleavage®Gastrula