Taking a microcontroller class and we are discussing ARM architecture and its instruction sets. I got this question wrong and just want to know the correct answer. Please only answer this if you are familiar with ARM architecture. Thanks in advance.

What statement describes best the actions of the following instruction: STREQH R0, [R1 , #311 Store a signed halfword in RO at the memory location pointed to by the content of R1 +3, do not write back the base register Store a halfword in RO at the memory location pointed to by the content of R1 +3, write back the base register All other answers are incorrect O Store a signed halfwor O Store a halfword in RO at the memory location pointed to by the content of R1 +3, do not write back the base register O Store a halfword in RO at the memory location pointed to by the content of R1, write back the base register O Store a halfword in R1+3 at the memory location pointed to by the content of RO, write back the base register O Store a signed halfword in R0 at the memory location pointed to by the content of R1-3, write back the base register O Store a halfword in R1+3 at the memory location pointed to by the content of RO, do not write back the base register OStore a halfword in RO at the memory location pointed to by the content of R1-3, write back the base register O d in RO at the memory location pointed to by the content of R1 +3, write back the base register