66. Scientists have recently received permisiions to research embryonic stem cells, derived from blastocysts or early-stage embryos, that they believe to be capable of generating new cell growth and curing previously incurable ailments.
B. that they believe are capable
C. that they believe will be capable
D. believed as capable
E. believed to be capable
OA is A
B. that they believe are capable
C. that they believe will be capable
D. believed as capable
E. believed to be capable
OA is A












