Stem cells

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by sukkhi » Thu Jun 26, 2014 11:13 pm
showbu wrote:Scientists have recently received permission 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.

a. that they believe to be capable

b. that they beleive are capable

c. they they believe will be capable

d. believe as capable

e. believed to be capable
xpert advice pls?

Can you take a loot at this problem ...why B is wrong?? discussion in the thread refers it as subjunctive mood...is that so? pls xplain.